Home / 725,784,605.40-1,088,676,908.10-650,957,712.60

Finding the Fourth Proportional to 725,784,605.40, 1,088,676,908.10 and 650,957,712.60

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Solution

The fourth proportional to 725,784,605.40, 1,088,676,908.10 and 650,957,712.60 is: 976,436,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,784,605.40 : 1,088,676,908.10 = 650,957,712.60 : x
  2. Step 2: Convert to fraction form
    725,784,605.40/1,088,676,908.10 = 650,957,712.60/x
  3. Step 3: Cross multiply
    725,784,605.40x = 1,088,676,908.10 × 650,957,712.60
  4. Step 4: Simplify right side
    725,784,605.40x = 708,682,629,857,216,384
  5. Step 5: Solve for x
    x = 708,682,629,857,216,384/725,784,605.40
  6. Step 6: Final answer
    x = 976,436,568.90

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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.