Home / 516,287,186.52-712,472,372.76-281,337,120.48

Finding the Fourth Proportional to 516,287,186.52, 712,472,372.76 and 281,337,120.48

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Solution

The fourth proportional to 516,287,186.52, 712,472,372.76 and 281,337,120.48 is: 388,243,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,287,186.52 : 712,472,372.76 = 281,337,120.48 : x
  2. Step 2: Convert to fraction form
    516,287,186.52/712,472,372.76 = 281,337,120.48/x
  3. Step 3: Cross multiply
    516,287,186.52x = 712,472,372.76 × 281,337,120.48
  4. Step 4: Simplify right side
    516,287,186.52x = 200,444,925,773,851,616
  5. Step 5: Solve for x
    x = 200,444,925,773,851,616/516,287,186.52
  6. Step 6: Final answer
    x = 388,243,076.74

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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.