Home / 1,972,375,340.42-2,721,879,437.25-1,068,138,294.27

Finding the Fourth Proportional to 1,972,375,340.42, 2,721,879,437.25 and 1,068,138,294.27

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Solution

The fourth proportional to 1,972,375,340.42, 2,721,879,437.25 and 1,068,138,294.27 is: 1,474,031,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,375,340.42 : 2,721,879,437.25 = 1,068,138,294.27 : x
  2. Step 2: Convert to fraction form
    1,972,375,340.42/2,721,879,437.25 = 1,068,138,294.27/x
  3. Step 3: Cross multiply
    1,972,375,340.42x = 2,721,879,437.25 × 1,068,138,294.27
  4. Step 4: Simplify right side
    1,972,375,340.42x = 2,907,343,659,312,802,304
  5. Step 5: Solve for x
    x = 2,907,343,659,312,802,304/1,972,375,340.42
  6. Step 6: Final answer
    x = 1,474,031,640.80

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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.