Home / 516,287,518.14-712,472,830.56-281,337,452.04

Finding the Fourth Proportional to 516,287,518.14, 712,472,830.56 and 281,337,452.04

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Solution

The fourth proportional to 516,287,518.14, 712,472,830.56 and 281,337,452.04 is: 388,243,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,287,518.14 : 712,472,830.56 = 281,337,452.04 : x
  2. Step 2: Convert to fraction form
    516,287,518.14/712,472,830.56 = 281,337,452.04/x
  3. Step 3: Cross multiply
    516,287,518.14x = 712,472,830.56 × 281,337,452.04
  4. Step 4: Simplify right side
    516,287,518.14x = 200,445,290,797,477,056
  5. Step 5: Solve for x
    x = 200,445,290,797,477,056/516,287,518.14
  6. Step 6: Final answer
    x = 388,243,534.38

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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.