Home / 5,727,334,972.80-7,899,244,701.22-3,720,816,603.79

Finding the Fourth Proportional to 5,727,334,972.80, 7,899,244,701.22 and 3,720,816,603.79

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Solution

The fourth proportional to 5,727,334,972.80, 7,899,244,701.22 and 3,720,816,603.79 is: 5,131,818,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727,334,972.80 : 7,899,244,701.22 = 3,720,816,603.79 : x
  2. Step 2: Convert to fraction form
    5,727,334,972.80/7,899,244,701.22 = 3,720,816,603.79/x
  3. Step 3: Cross multiply
    5,727,334,972.80x = 7,899,244,701.22 × 3,720,816,603.79
  4. Step 4: Simplify right side
    5,727,334,972.80x = 29,391,640,841,684,643,840
  5. Step 5: Solve for x
    x = 29,391,640,841,684,643,840/5,727,334,972.80
  6. Step 6: Final answer
    x = 5,131,818,023.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.