Home / 458,256,451.59-687,261,609.29-126,184,401.54

Finding the Fourth Proportional to 458,256,451.59, 687,261,609.29 and 126,184,401.54

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Solution

The fourth proportional to 458,256,451.59, 687,261,609.29 and 126,184,401.54 is: 189,242,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,256,451.59 : 687,261,609.29 = 126,184,401.54 : x
  2. Step 2: Convert to fraction form
    458,256,451.59/687,261,609.29 = 126,184,401.54/x
  3. Step 3: Cross multiply
    458,256,451.59x = 687,261,609.29 × 126,184,401.54
  4. Step 4: Simplify right side
    458,256,451.59x = 86,721,694,869,045,040
  5. Step 5: Solve for x
    x = 86,721,694,869,045,040/458,256,451.59
  6. Step 6: Final answer
    x = 189,242,714.57

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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.