Home / 8,087,872,403.20-12,131,808,604.80-6,709,243,590.40

Finding the Fourth Proportional to 8,087,872,403.20, 12,131,808,604.80 and 6,709,243,590.40

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Solution

The fourth proportional to 8,087,872,403.20, 12,131,808,604.80 and 6,709,243,590.40 is: 10,063,865,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,872,403.20 : 12,131,808,604.80 = 6,709,243,590.40 : x
  2. Step 2: Convert to fraction form
    8,087,872,403.20/12,131,808,604.80 = 6,709,243,590.40/x
  3. Step 3: Cross multiply
    8,087,872,403.20x = 12,131,808,604.80 × 6,709,243,590.40
  4. Step 4: Simplify right side
    8,087,872,403.20x = 81,395,259,121,713,954,816
  5. Step 5: Solve for x
    x = 81,395,259,121,713,954,816/8,087,872,403.20
  6. Step 6: Final answer
    x = 10,063,865,385.60

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Double scale
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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.