Home / 1,972,375,347.90-2,721,879,447.60-1,068,138,301.78

Finding the Fourth Proportional to 1,972,375,347.90, 2,721,879,447.60 and 1,068,138,301.78

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Solution

The fourth proportional to 1,972,375,347.90, 2,721,879,447.60 and 1,068,138,301.78 is: 1,474,031,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,375,347.90 : 2,721,879,447.60 = 1,068,138,301.78 : x
  2. Step 2: Convert to fraction form
    1,972,375,347.90/2,721,879,447.60 = 1,068,138,301.78/x
  3. Step 3: Cross multiply
    1,972,375,347.90x = 2,721,879,447.60 × 1,068,138,301.78
  4. Step 4: Simplify right side
    1,972,375,347.90x = 2,907,343,690,809,348,096
  5. Step 5: Solve for x
    x = 2,907,343,690,809,348,096/1,972,375,347.90
  6. Step 6: Final answer
    x = 1,474,031,651.18

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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.