Home / 6,551,234,678.90-9,826,852,018.35-2,877,914,486.90

Finding the Fourth Proportional to 6,551,234,678.90, 9,826,852,018.35 and 2,877,914,486.90

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Solution

The fourth proportional to 6,551,234,678.90, 9,826,852,018.35 and 2,877,914,486.90 is: 4,316,871,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,234,678.90 : 9,826,852,018.35 = 2,877,914,486.90 : x
  2. Step 2: Convert to fraction form
    6,551,234,678.90/9,826,852,018.35 = 2,877,914,486.90/x
  3. Step 3: Cross multiply
    6,551,234,678.90x = 9,826,852,018.35 × 2,877,914,486.90
  4. Step 4: Simplify right side
    6,551,234,678.90x = 28,280,839,784,231,972,864
  5. Step 5: Solve for x
    x = 28,280,839,784,231,972,864/6,551,234,678.90
  6. Step 6: Final answer
    x = 4,316,871,730.35

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Half scale
Find fourth proportional to 13,102,469,357.80, 19,653,704,036.70 and 5,755,828,973.80
Double scale
Find fourth proportional to 6,551,234,679.90, 9,826,852,019.85 and 2,877,914,487.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.