Home / 801,842,934.80-1,202,764,402.20-393,696,246.80

Finding the Fourth Proportional to 801,842,934.80, 1,202,764,402.20 and 393,696,246.80

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Solution

The fourth proportional to 801,842,934.80, 1,202,764,402.20 and 393,696,246.80 is: 590,544,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,842,934.80 : 1,202,764,402.20 = 393,696,246.80 : x
  2. Step 2: Convert to fraction form
    801,842,934.80/1,202,764,402.20 = 393,696,246.80/x
  3. Step 3: Cross multiply
    801,842,934.80x = 1,202,764,402.20 × 393,696,246.80
  4. Step 4: Simplify right side
    801,842,934.80x = 473,523,830,930,785,728
  5. Step 5: Solve for x
    x = 473,523,830,930,785,728/801,842,934.80
  6. Step 6: Final answer
    x = 590,544,370.20

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Double scale
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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.