Home / 7,200,843,480.20-9,936,948,273.57-3,985,885,249.84

Finding the Fourth Proportional to 7,200,843,480.20, 9,936,948,273.57 and 3,985,885,249.84

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Solution

The fourth proportional to 7,200,843,480.20, 9,936,948,273.57 and 3,985,885,249.84 is: 5,500,402,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,843,480.20 : 9,936,948,273.57 = 3,985,885,249.84 : x
  2. Step 2: Convert to fraction form
    7,200,843,480.20/9,936,948,273.57 = 3,985,885,249.84/x
  3. Step 3: Cross multiply
    7,200,843,480.20x = 9,936,948,273.57 × 3,985,885,249.84
  4. Step 4: Simplify right side
    7,200,843,480.20x = 39,607,535,552,045,719,552
  5. Step 5: Solve for x
    x = 39,607,535,552,045,719,552/7,200,843,480.20
  6. Step 6: Final answer
    x = 5,500,402,232.18

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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.