Home / 726,492,046.20-1,089,738,069.30-508,388,659.80

Finding the Fourth Proportional to 726,492,046.20, 1,089,738,069.30 and 508,388,659.80

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Solution

The fourth proportional to 726,492,046.20, 1,089,738,069.30 and 508,388,659.80 is: 762,582,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,492,046.20 : 1,089,738,069.30 = 508,388,659.80 : x
  2. Step 2: Convert to fraction form
    726,492,046.20/1,089,738,069.30 = 508,388,659.80/x
  3. Step 3: Cross multiply
    726,492,046.20x = 1,089,738,069.30 × 508,388,659.80
  4. Step 4: Simplify right side
    726,492,046.20x = 554,010,476,584,466,496
  5. Step 5: Solve for x
    x = 554,010,476,584,466,496/726,492,046.20
  6. Step 6: Final answer
    x = 762,582,989.70

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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.