Home / 725,152,822.80-1,087,729,234.20-626,517,373.20

Finding the Fourth Proportional to 725,152,822.80, 1,087,729,234.20 and 626,517,373.20

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Solution

The fourth proportional to 725,152,822.80, 1,087,729,234.20 and 626,517,373.20 is: 939,776,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,152,822.80 : 1,087,729,234.20 = 626,517,373.20 : x
  2. Step 2: Convert to fraction form
    725,152,822.80/1,087,729,234.20 = 626,517,373.20/x
  3. Step 3: Cross multiply
    725,152,822.80x = 1,087,729,234.20 × 626,517,373.20
  4. Step 4: Simplify right side
    725,152,822.80x = 681,481,262,563,831,680
  5. Step 5: Solve for x
    x = 681,481,262,563,831,680/725,152,822.80
  6. Step 6: Final answer
    x = 939,776,059.80

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1.5x scale

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.