Home / 747,955,998.90-1,121,933,998.35-498,285,017.10

Finding the Fourth Proportional to 747,955,998.90, 1,121,933,998.35 and 498,285,017.10

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Solution

The fourth proportional to 747,955,998.90, 1,121,933,998.35 and 498,285,017.10 is: 747,427,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,955,998.90 : 1,121,933,998.35 = 498,285,017.10 : x
  2. Step 2: Convert to fraction form
    747,955,998.90/1,121,933,998.35 = 498,285,017.10/x
  3. Step 3: Cross multiply
    747,955,998.90x = 1,121,933,998.35 × 498,285,017.10
  4. Step 4: Simplify right side
    747,955,998.90x = 559,042,901,552,901,120
  5. Step 5: Solve for x
    x = 559,042,901,552,901,120/747,955,998.90
  6. Step 6: Final answer
    x = 747,427,525.65

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Double scale
Find fourth proportional to 747,955,999.90, 1,121,933,999.85 and 498,285,018.10
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.