Home / 708,102,007.20-1,062,153,010.80-694,497,117.60

Finding the Fourth Proportional to 708,102,007.20, 1,062,153,010.80 and 694,497,117.60

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Solution

The fourth proportional to 708,102,007.20, 1,062,153,010.80 and 694,497,117.60 is: 1,041,745,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,102,007.20 : 1,062,153,010.80 = 694,497,117.60 : x
  2. Step 2: Convert to fraction form
    708,102,007.20/1,062,153,010.80 = 694,497,117.60/x
  3. Step 3: Cross multiply
    708,102,007.20x = 1,062,153,010.80 × 694,497,117.60
  4. Step 4: Simplify right side
    708,102,007.20x = 737,662,204,450,761,600
  5. Step 5: Solve for x
    x = 737,662,204,450,761,600/708,102,007.20
  6. Step 6: Final answer
    x = 1,041,745,676.40

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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.