Home / 918,221,446.20-1,377,332,169.30-504,972,924.60

Finding the Fourth Proportional to 918,221,446.20, 1,377,332,169.30 and 504,972,924.60

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Solution

The fourth proportional to 918,221,446.20, 1,377,332,169.30 and 504,972,924.60 is: 757,459,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,221,446.20 : 1,377,332,169.30 = 504,972,924.60 : x
  2. Step 2: Convert to fraction form
    918,221,446.20/1,377,332,169.30 = 504,972,924.60/x
  3. Step 3: Cross multiply
    918,221,446.20x = 1,377,332,169.30 × 504,972,924.60
  4. Step 4: Simplify right side
    918,221,446.20x = 695,515,453,677,083,392
  5. Step 5: Solve for x
    x = 695,515,453,677,083,392/918,221,446.20
  6. Step 6: Final answer
    x = 757,459,386.90

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Double scale
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Similar ratio
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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.