Home / 453,418,561.20-680,211,822.60-146,720,679.60

Finding the Fourth Proportional to 453,418,561.20, 680,211,822.60 and 146,720,679.60

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Solution

The fourth proportional to 453,418,561.20, 680,211,822.60 and 146,720,679.60 is: 220,108,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,418,561.20 : 680,211,822.60 = 146,720,679.60 : x
  2. Step 2: Convert to fraction form
    453,418,561.20/680,211,822.60 = 146,720,679.60/x
  3. Step 3: Cross multiply
    453,418,561.20x = 680,211,822.60 × 146,720,679.60
  4. Step 4: Simplify right side
    453,418,561.20x = 99,801,140,883,826,640
  5. Step 5: Solve for x
    x = 99,801,140,883,826,640/453,418,561.20
  6. Step 6: Final answer
    x = 220,108,194.56

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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.