Home / 724,643,296.80-1,086,964,945.20-336,337,072.80

Finding the Fourth Proportional to 724,643,296.80, 1,086,964,945.20 and 336,337,072.80

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Solution

The fourth proportional to 724,643,296.80, 1,086,964,945.20 and 336,337,072.80 is: 504,505,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,643,296.80 : 1,086,964,945.20 = 336,337,072.80 : x
  2. Step 2: Convert to fraction form
    724,643,296.80/1,086,964,945.20 = 336,337,072.80/x
  3. Step 3: Cross multiply
    724,643,296.80x = 1,086,964,945.20 × 336,337,072.80
  4. Step 4: Simplify right side
    724,643,296.80x = 365,586,607,904,780,416
  5. Step 5: Solve for x
    x = 365,586,607,904,780,416/724,643,296.80
  6. Step 6: Final answer
    x = 504,505,609.20

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Double scale
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1.5x scale

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.