Home / 725,152,823.80-1,087,729,235.70-626,517,374.20

Finding the Fourth Proportional to 725,152,823.80, 1,087,729,235.70 and 626,517,374.20

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Solution

The fourth proportional to 725,152,823.80, 1,087,729,235.70 and 626,517,374.20 is: 939,776,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,152,823.80 : 1,087,729,235.70 = 626,517,374.20 : x
  2. Step 2: Convert to fraction form
    725,152,823.80/1,087,729,235.70 = 626,517,374.20/x
  3. Step 3: Cross multiply
    725,152,823.80x = 1,087,729,235.70 × 626,517,374.20
  4. Step 4: Simplify right side
    725,152,823.80x = 681,481,264,591,336,960
  5. Step 5: Solve for x
    x = 681,481,264,591,336,960/725,152,823.80
  6. Step 6: Final answer
    x = 939,776,061.30

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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.