Home / 369,932,473.20-510,506,635.24-221,253,591.68

Finding the Fourth Proportional to 369,932,473.20, 510,506,635.24 and 221,253,591.68

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Solution

The fourth proportional to 369,932,473.20, 510,506,635.24 and 221,253,591.68 is: 305,329,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,932,473.20 : 510,506,635.24 = 221,253,591.68 : x
  2. Step 2: Convert to fraction form
    369,932,473.20/510,506,635.24 = 221,253,591.68/x
  3. Step 3: Cross multiply
    369,932,473.20x = 510,506,635.24 × 221,253,591.68
  4. Step 4: Simplify right side
    369,932,473.20x = 112,951,426,623,321,664
  5. Step 5: Solve for x
    x = 112,951,426,623,321,664/369,932,473.20
  6. Step 6: Final answer
    x = 305,329,850.19

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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.