Home / 516,489,645.01-712,749,908.55-281,535,150.22

Finding the Fourth Proportional to 516,489,645.01, 712,749,908.55 and 281,535,150.22

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Solution

The fourth proportional to 516,489,645.01, 712,749,908.55 and 281,535,150.22 is: 388,515,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,489,645.01 : 712,749,908.55 = 281,535,150.22 : x
  2. Step 2: Convert to fraction form
    516,489,645.01/712,749,908.55 = 281,535,150.22/x
  3. Step 3: Cross multiply
    516,489,645.01x = 712,749,908.55 × 281,535,150.22
  4. Step 4: Simplify right side
    516,489,645.01x = 200,664,152,572,915,520
  5. Step 5: Solve for x
    x = 200,664,152,572,915,520/516,489,645.01
  6. Step 6: Final answer
    x = 388,515,344.91

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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.