Home / 415,973,431.38-574,641,270.01-332,231,615.78

Finding the Fourth Proportional to 415,973,431.38, 574,641,270.01 and 332,231,615.78

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Solution

The fourth proportional to 415,973,431.38, 574,641,270.01 and 332,231,615.78 is: 458,957,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,973,431.38 : 574,641,270.01 = 332,231,615.78 : x
  2. Step 2: Convert to fraction form
    415,973,431.38/574,641,270.01 = 332,231,615.78/x
  3. Step 3: Cross multiply
    415,973,431.38x = 574,641,270.01 × 332,231,615.78
  4. Step 4: Simplify right side
    415,973,431.38x = 190,913,997,629,293,536
  5. Step 5: Solve for x
    x = 190,913,997,629,293,536/415,973,431.38
  6. Step 6: Final answer
    x = 458,957,191.08

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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.