Home / 458,497,331.40-687,745,997.10-295,238,656.20

Finding the Fourth Proportional to 458,497,331.40, 687,745,997.10 and 295,238,656.20

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Solution

The fourth proportional to 458,497,331.40, 687,745,997.10 and 295,238,656.20 is: 442,857,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,497,331.40 : 687,745,997.10 = 295,238,656.20 : x
  2. Step 2: Convert to fraction form
    458,497,331.40/687,745,997.10 = 295,238,656.20/x
  3. Step 3: Cross multiply
    458,497,331.40x = 687,745,997.10 × 295,238,656.20
  4. Step 4: Simplify right side
    458,497,331.40x = 203,049,203,990,733,088
  5. Step 5: Solve for x
    x = 203,049,203,990,733,088/458,497,331.40
  6. Step 6: Final answer
    x = 442,857,984.30

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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.