Home / 442,319,458.64-610,522,250.30-256,740,261.44

Finding the Fourth Proportional to 442,319,458.64, 610,522,250.30 and 256,740,261.44

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Solution

The fourth proportional to 442,319,458.64, 610,522,250.30 and 256,740,261.44 is: 354,372,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,319,458.64 : 610,522,250.30 = 256,740,261.44 : x
  2. Step 2: Convert to fraction form
    442,319,458.64/610,522,250.30 = 256,740,261.44/x
  3. Step 3: Cross multiply
    442,319,458.64x = 610,522,250.30 × 256,740,261.44
  4. Step 4: Simplify right side
    442,319,458.64x = 156,745,642,156,959,104
  5. Step 5: Solve for x
    x = 156,745,642,156,959,104/442,319,458.64
  6. Step 6: Final answer
    x = 354,372,024.78

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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.