Home / 722,065,025.52-1,080,684,182.52-411,089,158.80

Finding the Fourth Proportional to 722,065,025.52, 1,080,684,182.52 and 411,089,158.80

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Solution

The fourth proportional to 722,065,025.52, 1,080,684,182.52 and 411,089,158.80 is: 615,259,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,065,025.52 : 1,080,684,182.52 = 411,089,158.80 : x
  2. Step 2: Convert to fraction form
    722,065,025.52/1,080,684,182.52 = 411,089,158.80/x
  3. Step 3: Cross multiply
    722,065,025.52x = 1,080,684,182.52 × 411,089,158.80
  4. Step 4: Simplify right side
    722,065,025.52x = 444,257,551,520,612,480
  5. Step 5: Solve for x
    x = 444,257,551,520,612,480/722,065,025.52
  6. Step 6: Final answer
    x = 615,259,756.14

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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.