Home / 839,815,231.30-1,259,722,846.95-801,551,479.30

Finding the Fourth Proportional to 839,815,231.30, 1,259,722,846.95 and 801,551,479.30

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Solution

The fourth proportional to 839,815,231.30, 1,259,722,846.95 and 801,551,479.30 is: 1,202,327,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,815,231.30 : 1,259,722,846.95 = 801,551,479.30 : x
  2. Step 2: Convert to fraction form
    839,815,231.30/1,259,722,846.95 = 801,551,479.30/x
  3. Step 3: Cross multiply
    839,815,231.30x = 1,259,722,846.95 × 801,551,479.30
  4. Step 4: Simplify right side
    839,815,231.30x = 1,009,732,711,480,780,032
  5. Step 5: Solve for x
    x = 1,009,732,711,480,780,032/839,815,231.30
  6. Step 6: Final answer
    x = 1,202,327,218.95

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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.