Home / 1,511,917,032.60-2,086,454,422.76-877,215,446.10

Finding the Fourth Proportional to 1,511,917,032.60, 2,086,454,422.76 and 877,215,446.10

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Solution

The fourth proportional to 1,511,917,032.60, 2,086,454,422.76 and 877,215,446.10 is: 1,210,562,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,917,032.60 : 2,086,454,422.76 = 877,215,446.10 : x
  2. Step 2: Convert to fraction form
    1,511,917,032.60/2,086,454,422.76 = 877,215,446.10/x
  3. Step 3: Cross multiply
    1,511,917,032.60x = 2,086,454,422.76 × 877,215,446.10
  4. Step 4: Simplify right side
    1,511,917,032.60x = 1,830,270,047,224,345,344
  5. Step 5: Solve for x
    x = 1,830,270,047,224,345,344/1,511,917,032.60
  6. Step 6: Final answer
    x = 1,210,562,489.71

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.