Home / 738,542,431.20-1,107,813,646.80-356,336,479.20

Finding the Fourth Proportional to 738,542,431.20, 1,107,813,646.80 and 356,336,479.20

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Solution

The fourth proportional to 738,542,431.20, 1,107,813,646.80 and 356,336,479.20 is: 534,504,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,542,431.20 : 1,107,813,646.80 = 356,336,479.20 : x
  2. Step 2: Convert to fraction form
    738,542,431.20/1,107,813,646.80 = 356,336,479.20/x
  3. Step 3: Cross multiply
    738,542,431.20x = 1,107,813,646.80 × 356,336,479.20
  4. Step 4: Simplify right side
    738,542,431.20x = 394,754,414,510,424,320
  5. Step 5: Solve for x
    x = 394,754,414,510,424,320/738,542,431.20
  6. Step 6: Final answer
    x = 534,504,718.80

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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.