Home / 621,468,267.80-932,202,401.70-392,452,626.20

Finding the Fourth Proportional to 621,468,267.80, 932,202,401.70 and 392,452,626.20

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Solution

The fourth proportional to 621,468,267.80, 932,202,401.70 and 392,452,626.20 is: 588,678,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,468,267.80 : 932,202,401.70 = 392,452,626.20 : x
  2. Step 2: Convert to fraction form
    621,468,267.80/932,202,401.70 = 392,452,626.20/x
  3. Step 3: Cross multiply
    621,468,267.80x = 932,202,401.70 × 392,452,626.20
  4. Step 4: Simplify right side
    621,468,267.80x = 365,845,280,697,112,384
  5. Step 5: Solve for x
    x = 365,845,280,697,112,384/621,468,267.80
  6. Step 6: Final answer
    x = 588,678,939.30

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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.