Home / 1,439,601,479.28-1,986,649,557.27-779,551,757.28

Finding the Fourth Proportional to 1,439,601,479.28, 1,986,649,557.27 and 779,551,757.28

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Solution

The fourth proportional to 1,439,601,479.28, 1,986,649,557.27 and 779,551,757.28 is: 1,075,781,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,601,479.28 : 1,986,649,557.27 = 779,551,757.28 : x
  2. Step 2: Convert to fraction form
    1,439,601,479.28/1,986,649,557.27 = 779,551,757.28/x
  3. Step 3: Cross multiply
    1,439,601,479.28x = 1,986,649,557.27 × 779,551,757.28
  4. Step 4: Simplify right side
    1,439,601,479.28x = 1,548,696,153,469,362,432
  5. Step 5: Solve for x
    x = 1,548,696,153,469,362,432/1,439,601,479.28
  6. Step 6: Final answer
    x = 1,075,781,162.88

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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.