Home / 516,224,606.69-712,390,059.41-281,275,267.31

Finding the Fourth Proportional to 516,224,606.69, 712,390,059.41 and 281,275,267.31

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Solution

The fourth proportional to 516,224,606.69, 712,390,059.41 and 281,275,267.31 is: 388,159,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,224,606.69 : 712,390,059.41 = 281,275,267.31 : x
  2. Step 2: Convert to fraction form
    516,224,606.69/712,390,059.41 = 281,275,267.31/x
  3. Step 3: Cross multiply
    516,224,606.69x = 712,390,059.41 × 281,275,267.31
  4. Step 4: Simplify right side
    516,224,606.69x = 200,377,704,391,241,280
  5. Step 5: Solve for x
    x = 200,377,704,391,241,280/516,224,606.69
  6. Step 6: Final answer
    x = 388,159,924.56

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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.