Home / 498,256,332.90-747,384,499.35-207,026,664.90

Finding the Fourth Proportional to 498,256,332.90, 747,384,499.35 and 207,026,664.90

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Solution

The fourth proportional to 498,256,332.90, 747,384,499.35 and 207,026,664.90 is: 310,539,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,256,332.90 : 747,384,499.35 = 207,026,664.90 : x
  2. Step 2: Convert to fraction form
    498,256,332.90/747,384,499.35 = 207,026,664.90/x
  3. Step 3: Cross multiply
    498,256,332.90x = 747,384,499.35 × 207,026,664.90
  4. Step 4: Simplify right side
    498,256,332.90x = 154,728,520,298,386,720
  5. Step 5: Solve for x
    x = 154,728,520,298,386,720/498,256,332.90
  6. Step 6: Final answer
    x = 310,539,997.35

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Similar ratio
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1.5x scale

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.