Home / 1,643,921,228.38-2,465,881,794.92-758,344,574.27

Finding the Fourth Proportional to 1,643,921,228.38, 2,465,881,794.92 and 758,344,574.27

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Solution

The fourth proportional to 1,643,921,228.38, 2,465,881,794.92 and 758,344,574.27 is: 1,137,516,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,921,228.38 : 2,465,881,794.92 = 758,344,574.27 : x
  2. Step 2: Convert to fraction form
    1,643,921,228.38/2,465,881,794.92 = 758,344,574.27/x
  3. Step 3: Cross multiply
    1,643,921,228.38x = 2,465,881,794.92 × 758,344,574.27
  4. Step 4: Simplify right side
    1,643,921,228.38x = 1,869,988,079,964,958,976
  5. Step 5: Solve for x
    x = 1,869,988,079,964,958,976/1,643,921,228.38
  6. Step 6: Final answer
    x = 1,137,516,839.42

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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.