Home / 1,207,224,498.30-1,810,836,747.45-878,156,231.10

Finding the Fourth Proportional to 1,207,224,498.30, 1,810,836,747.45 and 878,156,231.10

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Solution

The fourth proportional to 1,207,224,498.30, 1,810,836,747.45 and 878,156,231.10 is: 1,317,234,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,224,498.30 : 1,810,836,747.45 = 878,156,231.10 : x
  2. Step 2: Convert to fraction form
    1,207,224,498.30/1,810,836,747.45 = 878,156,231.10/x
  3. Step 3: Cross multiply
    1,207,224,498.30x = 1,810,836,747.45 × 878,156,231.10
  4. Step 4: Simplify right side
    1,207,224,498.30x = 1,590,197,573,278,074,624
  5. Step 5: Solve for x
    x = 1,590,197,573,278,074,624/1,207,224,498.30
  6. Step 6: Final answer
    x = 1,317,234,346.65

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Double scale
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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.