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Finding the Fourth Proportional to 577,393,243.20, 866,089,864.80 and 480,458,404.80

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Solution

The fourth proportional to 577,393,243.20, 866,089,864.80 and 480,458,404.80 is: 720,687,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,393,243.20 : 866,089,864.80 = 480,458,404.80 : x
  2. Step 2: Convert to fraction form
    577,393,243.20/866,089,864.80 = 480,458,404.80/x
  3. Step 3: Cross multiply
    577,393,243.20x = 866,089,864.80 × 480,458,404.80
  4. Step 4: Simplify right side
    577,393,243.20x = 416,120,154,855,255,680
  5. Step 5: Solve for x
    x = 416,120,154,855,255,680/577,393,243.20
  6. Step 6: Final answer
    x = 720,687,607.20

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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.