Home / 1,042,172,134.60-1,438,222,532.90-565,882,578.18

Finding the Fourth Proportional to 1,042,172,134.60, 1,438,222,532.90 and 565,882,578.18

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Solution

The fourth proportional to 1,042,172,134.60, 1,438,222,532.90 and 565,882,578.18 is: 780,931,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,172,134.60 : 1,438,222,532.90 = 565,882,578.18 : x
  2. Step 2: Convert to fraction form
    1,042,172,134.60/1,438,222,532.90 = 565,882,578.18/x
  3. Step 3: Cross multiply
    1,042,172,134.60x = 1,438,222,532.90 × 565,882,578.18
  4. Step 4: Simplify right side
    1,042,172,134.60x = 813,865,074,916,202,752
  5. Step 5: Solve for x
    x = 813,865,074,916,202,752/1,042,172,134.60
  6. Step 6: Final answer
    x = 780,931,525.51

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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.