Home / 1,070,134,906.30-1,605,202,359.45-906,876,231.10

Finding the Fourth Proportional to 1,070,134,906.30, 1,605,202,359.45 and 906,876,231.10

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Solution

The fourth proportional to 1,070,134,906.30, 1,605,202,359.45 and 906,876,231.10 is: 1,360,314,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,134,906.30 : 1,605,202,359.45 = 906,876,231.10 : x
  2. Step 2: Convert to fraction form
    1,070,134,906.30/1,605,202,359.45 = 906,876,231.10/x
  3. Step 3: Cross multiply
    1,070,134,906.30x = 1,605,202,359.45 × 906,876,231.10
  4. Step 4: Simplify right side
    1,070,134,906.30x = 1,455,719,865,890,843,648
  5. Step 5: Solve for x
    x = 1,455,719,865,890,843,648/1,070,134,906.30
  6. Step 6: Final answer
    x = 1,360,314,346.65

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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.