Home / 726,205,715.80-1,088,647,224.90-266,032,922.20

Finding the Fourth Proportional to 726,205,715.80, 1,088,647,224.90 and 266,032,922.20

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Solution

The fourth proportional to 726,205,715.80, 1,088,647,224.90 and 266,032,922.20 is: 398,807,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,205,715.80 : 1,088,647,224.90 = 266,032,922.20 : x
  2. Step 2: Convert to fraction form
    726,205,715.80/1,088,647,224.90 = 266,032,922.20/x
  3. Step 3: Cross multiply
    726,205,715.80x = 1,088,647,224.90 × 266,032,922.20
  4. Step 4: Simplify right side
    726,205,715.80x = 289,616,002,485,067,584
  5. Step 5: Solve for x
    x = 289,616,002,485,067,584/726,205,715.80
  6. Step 6: Final answer
    x = 398,807,109.59

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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.