Home / 726,747,220,102.80-1,090,120,830,154.20-488,716,071,661.20

Finding the Fourth Proportional to 726,747,220,102.80, 1,090,120,830,154.20 and 488,716,071,661.20

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Solution

The fourth proportional to 726,747,220,102.80, 1,090,120,830,154.20 and 488,716,071,661.20 is: 733,074,107,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,747,220,102.80 : 1,090,120,830,154.20 = 488,716,071,661.20 : x
  2. Step 2: Convert to fraction form
    726,747,220,102.80/1,090,120,830,154.20 = 488,716,071,661.20/x
  3. Step 3: Cross multiply
    726,747,220,102.80x = 1,090,120,830,154.20 × 488,716,071,661.20
  4. Step 4: Simplify right side
    726,747,220,102.80x = 532,759,569,749,006,809,563,136
  5. Step 5: Solve for x
    x = 532,759,569,749,006,809,563,136/726,747,220,102.80
  6. Step 6: Final answer
    x = 733,074,107,491.80

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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.