Home / 516,224,534.16-712,389,959.42-281,275,193.87

Finding the Fourth Proportional to 516,224,534.16, 712,389,959.42 and 281,275,193.87

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Solution

The fourth proportional to 516,224,534.16, 712,389,959.42 and 281,275,193.87 is: 388,159,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,224,534.16 : 712,389,959.42 = 281,275,193.87 : x
  2. Step 2: Convert to fraction form
    516,224,534.16/712,389,959.42 = 281,275,193.87/x
  3. Step 3: Cross multiply
    516,224,534.16x = 712,389,959.42 × 281,275,193.87
  4. Step 4: Simplify right side
    516,224,534.16x = 200,377,623,941,933,600
  5. Step 5: Solve for x
    x = 200,377,623,941,933,600/516,224,534.16
  6. Step 6: Final answer
    x = 388,159,823.26

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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.