Home / 832,710,157.20-1,248,169,440.60-314,940,531.60

Finding the Fourth Proportional to 832,710,157.20, 1,248,169,440.60 and 314,940,531.60

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Solution

The fourth proportional to 832,710,157.20, 1,248,169,440.60 and 314,940,531.60 is: 472,071,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,710,157.20 : 1,248,169,440.60 = 314,940,531.60 : x
  2. Step 2: Convert to fraction form
    832,710,157.20/1,248,169,440.60 = 314,940,531.60/x
  3. Step 3: Cross multiply
    832,710,157.20x = 1,248,169,440.60 × 314,940,531.60
  4. Step 4: Simplify right side
    832,710,157.20x = 393,099,147,149,438,592
  5. Step 5: Solve for x
    x = 393,099,147,149,438,592/832,710,157.20
  6. Step 6: Final answer
    x = 472,071,997.38

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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.