Home / 538,172,155.20-807,258,232.80-266,074,363.20

Finding the Fourth Proportional to 538,172,155.20, 807,258,232.80 and 266,074,363.20

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Solution

The fourth proportional to 538,172,155.20, 807,258,232.80 and 266,074,363.20 is: 399,111,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,172,155.20 : 807,258,232.80 = 266,074,363.20 : x
  2. Step 2: Convert to fraction form
    538,172,155.20/807,258,232.80 = 266,074,363.20/x
  3. Step 3: Cross multiply
    538,172,155.20x = 807,258,232.80 × 266,074,363.20
  4. Step 4: Simplify right side
    538,172,155.20x = 214,790,720,230,217,344
  5. Step 5: Solve for x
    x = 214,790,720,230,217,344/538,172,155.20
  6. Step 6: Final answer
    x = 399,111,544.80

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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.