Home / 486,255,087.60-728,763,316.20-198,715,887.60

Finding the Fourth Proportional to 486,255,087.60, 728,763,316.20 and 198,715,887.60

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Solution

The fourth proportional to 486,255,087.60, 728,763,316.20 and 198,715,887.60 is: 297,820,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,255,087.60 : 728,763,316.20 = 198,715,887.60 : x
  2. Step 2: Convert to fraction form
    486,255,087.60/728,763,316.20 = 198,715,887.60/x
  3. Step 3: Cross multiply
    486,255,087.60x = 728,763,316.20 × 198,715,887.60
  4. Step 4: Simplify right side
    486,255,087.60x = 144,816,849,229,002,464
  5. Step 5: Solve for x
    x = 144,816,849,229,002,464/486,255,087.60
  6. Step 6: Final answer
    x = 297,820,738.38

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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.