Home / 1,101,279,793.20-1,651,919,689.80-487,212,183.60

Finding the Fourth Proportional to 1,101,279,793.20, 1,651,919,689.80 and 487,212,183.60

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Solution

The fourth proportional to 1,101,279,793.20, 1,651,919,689.80 and 487,212,183.60 is: 730,818,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,279,793.20 : 1,651,919,689.80 = 487,212,183.60 : x
  2. Step 2: Convert to fraction form
    1,101,279,793.20/1,651,919,689.80 = 487,212,183.60/x
  3. Step 3: Cross multiply
    1,101,279,793.20x = 1,651,919,689.80 × 487,212,183.60
  4. Step 4: Simplify right side
    1,101,279,793.20x = 804,835,399,199,292,672
  5. Step 5: Solve for x
    x = 804,835,399,199,292,672/1,101,279,793.20
  6. Step 6: Final answer
    x = 730,818,275.40

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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.