Home / 551,440,600.20-826,310,594.70-478,314,318.60

Finding the Fourth Proportional to 551,440,600.20, 826,310,594.70 and 478,314,318.60

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Solution

The fourth proportional to 551,440,600.20, 826,310,594.70 and 478,314,318.60 is: 716,733,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,440,600.20 : 826,310,594.70 = 478,314,318.60 : x
  2. Step 2: Convert to fraction form
    551,440,600.20/826,310,594.70 = 478,314,318.60/x
  3. Step 3: Cross multiply
    551,440,600.20x = 826,310,594.70 × 478,314,318.60
  4. Step 4: Simplify right side
    551,440,600.20x = 395,236,189,055,891,328
  5. Step 5: Solve for x
    x = 395,236,189,055,891,328/551,440,600.20
  6. Step 6: Final answer
    x = 716,733,930.93

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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.