Home / 1,378,683,232.38-2,068,351,684.79-396,086,024.25

Finding the Fourth Proportional to 1,378,683,232.38, 2,068,351,684.79 and 396,086,024.25

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Solution

The fourth proportional to 1,378,683,232.38, 2,068,351,684.79 and 396,086,024.25 is: 594,222,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,683,232.38 : 2,068,351,684.79 = 396,086,024.25 : x
  2. Step 2: Convert to fraction form
    1,378,683,232.38/2,068,351,684.79 = 396,086,024.25/x
  3. Step 3: Cross multiply
    1,378,683,232.38x = 2,068,351,684.79 × 396,086,024.25
  4. Step 4: Simplify right side
    1,378,683,232.38x = 819,245,195,577,279,872
  5. Step 5: Solve for x
    x = 819,245,195,577,279,872/1,378,683,232.38
  6. Step 6: Final answer
    x = 594,222,934.13

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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.