Home / 938,386,446.20-1,407,579,669.30-248,363,451.80

Finding the Fourth Proportional to 938,386,446.20, 1,407,579,669.30 and 248,363,451.80

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Solution

The fourth proportional to 938,386,446.20, 1,407,579,669.30 and 248,363,451.80 is: 372,545,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,386,446.20 : 1,407,579,669.30 = 248,363,451.80 : x
  2. Step 2: Convert to fraction form
    938,386,446.20/1,407,579,669.30 = 248,363,451.80/x
  3. Step 3: Cross multiply
    938,386,446.20x = 1,407,579,669.30 × 248,363,451.80
  4. Step 4: Simplify right side
    938,386,446.20x = 349,591,345,350,850,496
  5. Step 5: Solve for x
    x = 349,591,345,350,850,496/938,386,446.20
  6. Step 6: Final answer
    x = 372,545,177.70

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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.