Home / 656,324,350.40-983,870,666.40-247,655,115.20

Finding the Fourth Proportional to 656,324,350.40, 983,870,666.40 and 247,655,115.20

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Solution

The fourth proportional to 656,324,350.40, 983,870,666.40 and 247,655,115.20 is: 371,250,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,324,350.40 : 983,870,666.40 = 247,655,115.20 : x
  2. Step 2: Convert to fraction form
    656,324,350.40/983,870,666.40 = 247,655,115.20/x
  3. Step 3: Cross multiply
    656,324,350.40x = 983,870,666.40 × 247,655,115.20
  4. Step 4: Simplify right side
    656,324,350.40x = 243,660,603,229,192,736
  5. Step 5: Solve for x
    x = 243,660,603,229,192,736/656,324,350.40
  6. Step 6: Final answer
    x = 371,250,286.66

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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.