Home / 726,747,219,910.80-1,090,120,829,866.20-488,716,071,469.20

Finding the Fourth Proportional to 726,747,219,910.80, 1,090,120,829,866.20 and 488,716,071,469.20

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Solution

The fourth proportional to 726,747,219,910.80, 1,090,120,829,866.20 and 488,716,071,469.20 is: 733,074,107,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,747,219,910.80 : 1,090,120,829,866.20 = 488,716,071,469.20 : x
  2. Step 2: Convert to fraction form
    726,747,219,910.80/1,090,120,829,866.20 = 488,716,071,469.20/x
  3. Step 3: Cross multiply
    726,747,219,910.80x = 1,090,120,829,866.20 × 488,716,071,469.20
  4. Step 4: Simplify right side
    726,747,219,910.80x = 532,759,569,398,953,418,948,608
  5. Step 5: Solve for x
    x = 532,759,569,398,953,418,948,608/726,747,219,910.80
  6. Step 6: Final answer
    x = 733,074,107,203.80

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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.