Home / 687,372,098.29-1,031,724,026.46-650,042,519.90

Finding the Fourth Proportional to 687,372,098.29, 1,031,724,026.46 and 650,042,519.90

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Solution

The fourth proportional to 687,372,098.29, 1,031,724,026.46 and 650,042,519.90 is: 975,693,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,372,098.29 : 1,031,724,026.46 = 650,042,519.90 : x
  2. Step 2: Convert to fraction form
    687,372,098.29/1,031,724,026.46 = 650,042,519.90/x
  3. Step 3: Cross multiply
    687,372,098.29x = 1,031,724,026.46 × 650,042,519.90
  4. Step 4: Simplify right side
    687,372,098.29x = 670,664,485,996,274,048
  5. Step 5: Solve for x
    x = 670,664,485,996,274,048/687,372,098.29
  6. Step 6: Final answer
    x = 975,693,496.53

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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.