Home / 574,627,736.76-861,941,616.42-137,928,420.84

Finding the Fourth Proportional to 574,627,736.76, 861,941,616.42 and 137,928,420.84

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Solution

The fourth proportional to 574,627,736.76, 861,941,616.42 and 137,928,420.84 is: 206,892,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,627,736.76 : 861,941,616.42 = 137,928,420.84 : x
  2. Step 2: Convert to fraction form
    574,627,736.76/861,941,616.42 = 137,928,420.84/x
  3. Step 3: Cross multiply
    574,627,736.76x = 861,941,616.42 × 137,928,420.84
  4. Step 4: Simplify right side
    574,627,736.76x = 118,886,246,009,087,616
  5. Step 5: Solve for x
    x = 118,886,246,009,087,616/574,627,736.76
  6. Step 6: Final answer
    x = 206,892,633.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.