Home / 340,022,963.70-510,034,445.55-271,998,515.70

Finding the Fourth Proportional to 340,022,963.70, 510,034,445.55 and 271,998,515.70

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Solution

The fourth proportional to 340,022,963.70, 510,034,445.55 and 271,998,515.70 is: 407,997,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,022,963.70 : 510,034,445.55 = 271,998,515.70 : x
  2. Step 2: Convert to fraction form
    340,022,963.70/510,034,445.55 = 271,998,515.70/x
  3. Step 3: Cross multiply
    340,022,963.70x = 510,034,445.55 × 271,998,515.70
  4. Step 4: Simplify right side
    340,022,963.70x = 138,728,612,145,472,464
  5. Step 5: Solve for x
    x = 138,728,612,145,472,464/340,022,963.70
  6. Step 6: Final answer
    x = 407,997,773.55

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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.