Home / 708,589,507.20-1,062,884,260.80-501,965,246.40

Finding the Fourth Proportional to 708,589,507.20, 1,062,884,260.80 and 501,965,246.40

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Solution

The fourth proportional to 708,589,507.20, 1,062,884,260.80 and 501,965,246.40 is: 752,947,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,507.20 : 1,062,884,260.80 = 501,965,246.40 : x
  2. Step 2: Convert to fraction form
    708,589,507.20/1,062,884,260.80 = 501,965,246.40/x
  3. Step 3: Cross multiply
    708,589,507.20x = 1,062,884,260.80 × 501,965,246.40
  4. Step 4: Simplify right side
    708,589,507.20x = 533,530,959,867,153,792
  5. Step 5: Solve for x
    x = 533,530,959,867,153,792/708,589,507.20
  6. Step 6: Final answer
    x = 752,947,869.60

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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.