Home / 980,102,258.80-1,471,853,999.40-520,937,234.80

Finding the Fourth Proportional to 980,102,258.80, 1,471,853,999.40 and 520,937,234.80

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Solution

The fourth proportional to 980,102,258.80, 1,471,853,999.40 and 520,937,234.80 is: 782,309,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,102,258.80 : 1,471,853,999.40 = 520,937,234.80 : x
  2. Step 2: Convert to fraction form
    980,102,258.80/1,471,853,999.40 = 520,937,234.80/x
  3. Step 3: Cross multiply
    980,102,258.80x = 1,471,853,999.40 × 520,937,234.80
  4. Step 4: Simplify right side
    980,102,258.80x = 766,743,552,476,756,864
  5. Step 5: Solve for x
    x = 766,743,552,476,756,864/980,102,258.80
  6. Step 6: Final answer
    x = 782,309,749.41

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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.