Home / 881,481,680.42-1,320,769,684.22-511,979,389.04

Finding the Fourth Proportional to 881,481,680.42, 1,320,769,684.22 and 511,979,389.04

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Solution

The fourth proportional to 881,481,680.42, 1,320,769,684.22 and 511,979,389.04 is: 767,125,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,481,680.42 : 1,320,769,684.22 = 511,979,389.04 : x
  2. Step 2: Convert to fraction form
    881,481,680.42/1,320,769,684.22 = 511,979,389.04/x
  3. Step 3: Cross multiply
    881,481,680.42x = 1,320,769,684.22 × 511,979,389.04
  4. Step 4: Simplify right side
    881,481,680.42x = 676,206,855,984,185,472
  5. Step 5: Solve for x
    x = 676,206,855,984,185,472/881,481,680.42
  6. Step 6: Final answer
    x = 767,125,251.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.