Home / 866,706,103.80-1,196,061,182.17-509,377,920.14

Finding the Fourth Proportional to 866,706,103.80, 1,196,061,182.17 and 509,377,920.14

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Solution

The fourth proportional to 866,706,103.80, 1,196,061,182.17 and 509,377,920.14 is: 702,945,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,706,103.80 : 1,196,061,182.17 = 509,377,920.14 : x
  2. Step 2: Convert to fraction form
    866,706,103.80/1,196,061,182.17 = 509,377,920.14/x
  3. Step 3: Cross multiply
    866,706,103.80x = 1,196,061,182.17 × 509,377,920.14
  4. Step 4: Simplify right side
    866,706,103.80x = 609,247,157,335,660,928
  5. Step 5: Solve for x
    x = 609,247,157,335,660,928/866,706,103.80
  6. Step 6: Final answer
    x = 702,945,502.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.