Home / 1,761,569,333.79-2,428,709,018.31-1,442,855,456.39

Finding the Fourth Proportional to 1,761,569,333.79, 2,428,709,018.31 and 1,442,855,456.39

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Solution

The fourth proportional to 1,761,569,333.79, 2,428,709,018.31 and 1,442,855,456.39 is: 1,989,292,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,569,333.79 : 2,428,709,018.31 = 1,442,855,456.39 : x
  2. Step 2: Convert to fraction form
    1,761,569,333.79/2,428,709,018.31 = 1,442,855,456.39/x
  3. Step 3: Cross multiply
    1,761,569,333.79x = 2,428,709,018.31 × 1,442,855,456.39
  4. Step 4: Simplify right side
    1,761,569,333.79x = 3,504,276,059,040,040,448
  5. Step 5: Solve for x
    x = 3,504,276,059,040,040,448/1,761,569,333.79
  6. Step 6: Final answer
    x = 1,989,292,156.61

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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.