Home / 726,747,220,148.80-1,090,120,830,223.20-488,716,071,707.20

Finding the Fourth Proportional to 726,747,220,148.80, 1,090,120,830,223.20 and 488,716,071,707.20

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Solution

The fourth proportional to 726,747,220,148.80, 1,090,120,830,223.20 and 488,716,071,707.20 is: 733,074,107,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,747,220,148.80 : 1,090,120,830,223.20 = 488,716,071,707.20 : x
  2. Step 2: Convert to fraction form
    726,747,220,148.80/1,090,120,830,223.20 = 488,716,071,707.20/x
  3. Step 3: Cross multiply
    726,747,220,148.80x = 1,090,120,830,223.20 × 488,716,071,707.20
  4. Step 4: Simplify right side
    726,747,220,148.80x = 532,759,569,832,873,830,645,760
  5. Step 5: Solve for x
    x = 532,759,569,832,873,830,645,760/726,747,220,148.80
  6. Step 6: Final answer
    x = 733,074,107,560.80

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Double scale
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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.