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Finding the Fourth Proportional to 577,392,923.70, 866,089,385.55 and 480,458,085.30

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Solution

The fourth proportional to 577,392,923.70, 866,089,385.55 and 480,458,085.30 is: 720,687,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,392,923.70 : 866,089,385.55 = 480,458,085.30 : x
  2. Step 2: Convert to fraction form
    577,392,923.70/866,089,385.55 = 480,458,085.30/x
  3. Step 3: Cross multiply
    577,392,923.70x = 866,089,385.55 × 480,458,085.30
  4. Step 4: Simplify right side
    577,392,923.70x = 416,119,647,880,006,464
  5. Step 5: Solve for x
    x = 416,119,647,880,006,464/577,392,923.70
  6. Step 6: Final answer
    x = 720,687,127.95

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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.