Home / 725,157,800.80-1,087,736,701.20-626,522,351.20

Finding the Fourth Proportional to 725,157,800.80, 1,087,736,701.20 and 626,522,351.20

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Solution

The fourth proportional to 725,157,800.80, 1,087,736,701.20 and 626,522,351.20 is: 939,783,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,157,800.80 : 1,087,736,701.20 = 626,522,351.20 : x
  2. Step 2: Convert to fraction form
    725,157,800.80/1,087,736,701.20 = 626,522,351.20/x
  3. Step 3: Cross multiply
    725,157,800.80x = 1,087,736,701.20 × 626,522,351.20
  4. Step 4: Simplify right side
    725,157,800.80x = 681,491,355,522,355,968
  5. Step 5: Solve for x
    x = 681,491,355,522,355,968/725,157,800.80
  6. Step 6: Final answer
    x = 939,783,526.80

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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.