Home / 440,578,832.52-660,758,373.90-129,624,573

Finding the Fourth Proportional to 440,578,832.52, 660,758,373.90 and 129,624,573

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Solution

The fourth proportional to 440,578,832.52, 660,758,373.90 and 129,624,573 is: 194,404,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,578,832.52 : 660,758,373.90 = 129,624,573 : x
  2. Step 2: Convert to fraction form
    440,578,832.52/660,758,373.90 = 129,624,573/x
  3. Step 3: Cross multiply
    440,578,832.52x = 660,758,373.90 × 129,624,573
  4. Step 4: Simplify right side
    440,578,832.52x = 85,650,522,072,961,840
  5. Step 5: Solve for x
    x = 85,650,522,072,961,840/440,578,832.52
  6. Step 6: Final answer
    x = 194,404,532.74

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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.