Home / 458,497,207.40-687,745,811.10-295,238,532.20

Finding the Fourth Proportional to 458,497,207.40, 687,745,811.10 and 295,238,532.20

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Solution

The fourth proportional to 458,497,207.40, 687,745,811.10 and 295,238,532.20 is: 442,857,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,497,207.40 : 687,745,811.10 = 295,238,532.20 : x
  2. Step 2: Convert to fraction form
    458,497,207.40/687,745,811.10 = 295,238,532.20/x
  3. Step 3: Cross multiply
    458,497,207.40x = 687,745,811.10 × 295,238,532.20
  4. Step 4: Simplify right side
    458,497,207.40x = 203,049,063,795,862,464
  5. Step 5: Solve for x
    x = 203,049,063,795,862,464/458,497,207.40
  6. Step 6: Final answer
    x = 442,857,798.30

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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.