Home / 9,987,287,293.18-13,782,473,079.65-5,471,067,886.03

Finding the Fourth Proportional to 9,987,287,293.18, 13,782,473,079.65 and 5,471,067,886.03

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Solution

The fourth proportional to 9,987,287,293.18, 13,782,473,079.65 and 5,471,067,886.03 is: 7,550,082,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,287,293.18 : 13,782,473,079.65 = 5,471,067,886.03 : x
  2. Step 2: Convert to fraction form
    9,987,287,293.18/13,782,473,079.65 = 5,471,067,886.03/x
  3. Step 3: Cross multiply
    9,987,287,293.18x = 13,782,473,079.65 × 5,471,067,886.03
  4. Step 4: Simplify right side
    9,987,287,293.18x = 75,404,845,856,146,096,128
  5. Step 5: Solve for x
    x = 75,404,845,856,146,096,128/9,987,287,293.18
  6. Step 6: Final answer
    x = 7,550,082,784.51

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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.