Home / 723,788,725.60-998,832,786-393,766,227.04

Finding the Fourth Proportional to 723,788,725.60, 998,832,786 and 393,766,227.04

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Solution

The fourth proportional to 723,788,725.60, 998,832,786 and 393,766,227.04 is: 543,399,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,788,725.60 : 998,832,786 = 393,766,227.04 : x
  2. Step 2: Convert to fraction form
    723,788,725.60/998,832,786 = 393,766,227.04/x
  3. Step 3: Cross multiply
    723,788,725.60x = 998,832,786 × 393,766,227.04
  4. Step 4: Simplify right side
    723,788,725.60x = 393,306,617,587,071,744
  5. Step 5: Solve for x
    x = 393,306,617,587,071,744/723,788,725.60
  6. Step 6: Final answer
    x = 543,399,756.97

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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.