Home / 415,235,218.76-572,754,599.83-266,320,468.30

Finding the Fourth Proportional to 415,235,218.76, 572,754,599.83 and 266,320,468.30

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Solution

The fourth proportional to 415,235,218.76, 572,754,599.83 and 266,320,468.30 is: 367,349,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,235,218.76 : 572,754,599.83 = 266,320,468.30 : x
  2. Step 2: Convert to fraction form
    415,235,218.76/572,754,599.83 = 266,320,468.30/x
  3. Step 3: Cross multiply
    415,235,218.76x = 572,754,599.83 × 266,320,468.30
  4. Step 4: Simplify right side
    415,235,218.76x = 152,536,273,247,704,704
  5. Step 5: Solve for x
    x = 152,536,273,247,704,704/415,235,218.76
  6. Step 6: Final answer
    x = 367,349,074.35

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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.