Home / 410,536,787.16-566,398,788.51-311,314,171.80

Finding the Fourth Proportional to 410,536,787.16, 566,398,788.51 and 311,314,171.80

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Solution

The fourth proportional to 410,536,787.16, 566,398,788.51 and 311,314,171.80 is: 429,505,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,536,787.16 : 566,398,788.51 = 311,314,171.80 : x
  2. Step 2: Convert to fraction form
    410,536,787.16/566,398,788.51 = 311,314,171.80/x
  3. Step 3: Cross multiply
    410,536,787.16x = 566,398,788.51 × 311,314,171.80
  4. Step 4: Simplify right side
    410,536,787.16x = 176,327,969,753,514,016
  5. Step 5: Solve for x
    x = 176,327,969,753,514,016/410,536,787.16
  6. Step 6: Final answer
    x = 429,505,893.91

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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.