Home / 2,939,976,532.65-4,057,259,472.95-1,687,142,560.17

Finding the Fourth Proportional to 2,939,976,532.65, 4,057,259,472.95 and 1,687,142,560.17

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Solution

The fourth proportional to 2,939,976,532.65, 4,057,259,472.95 and 1,687,142,560.17 is: 2,328,309,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,976,532.65 : 4,057,259,472.95 = 1,687,142,560.17 : x
  2. Step 2: Convert to fraction form
    2,939,976,532.65/4,057,259,472.95 = 1,687,142,560.17/x
  3. Step 3: Cross multiply
    2,939,976,532.65x = 4,057,259,472.95 × 1,687,142,560.17
  4. Step 4: Simplify right side
    2,939,976,532.65x = 6,845,175,134,458,413,056
  5. Step 5: Solve for x
    x = 6,845,175,134,458,413,056/2,939,976,532.65
  6. Step 6: Final answer
    x = 2,328,309,446.84

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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.