Home / 543,982,287.13-750,698,098.43-309,045,839.21

Finding the Fourth Proportional to 543,982,287.13, 750,698,098.43 and 309,045,839.21

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Solution

The fourth proportional to 543,982,287.13, 750,698,098.43 and 309,045,839.21 is: 426,484,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,982,287.13 : 750,698,098.43 = 309,045,839.21 : x
  2. Step 2: Convert to fraction form
    543,982,287.13/750,698,098.43 = 309,045,839.21/x
  3. Step 3: Cross multiply
    543,982,287.13x = 750,698,098.43 × 309,045,839.21
  4. Step 4: Simplify right side
    543,982,287.13x = 232,000,123,822,650,496
  5. Step 5: Solve for x
    x = 232,000,123,822,650,496/543,982,287.13
  6. Step 6: Final answer
    x = 426,484,702.37

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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.