Home / 980,102,257.80-1,471,853,997.90-520,937,233.80

Finding the Fourth Proportional to 980,102,257.80, 1,471,853,997.90 and 520,937,233.80

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Solution

The fourth proportional to 980,102,257.80, 1,471,853,997.90 and 520,937,233.80 is: 782,309,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,102,257.80 : 1,471,853,997.90 = 520,937,233.80 : x
  2. Step 2: Convert to fraction form
    980,102,257.80/1,471,853,997.90 = 520,937,233.80/x
  3. Step 3: Cross multiply
    980,102,257.80x = 1,471,853,997.90 × 520,937,233.80
  4. Step 4: Simplify right side
    980,102,257.80x = 766,743,550,223,497,088
  5. Step 5: Solve for x
    x = 766,743,550,223,497,088/980,102,257.80
  6. Step 6: Final answer
    x = 782,309,747.91

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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.