Home / 365,434,279.20-548,151,418.80-181,130,540.40

Finding the Fourth Proportional to 365,434,279.20, 548,151,418.80 and 181,130,540.40

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Solution

The fourth proportional to 365,434,279.20, 548,151,418.80 and 181,130,540.40 is: 271,695,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,434,279.20 : 548,151,418.80 = 181,130,540.40 : x
  2. Step 2: Convert to fraction form
    365,434,279.20/548,151,418.80 = 181,130,540.40/x
  3. Step 3: Cross multiply
    365,434,279.20x = 548,151,418.80 × 181,130,540.40
  4. Step 4: Simplify right side
    365,434,279.20x = 99,286,962,708,270,720
  5. Step 5: Solve for x
    x = 99,286,962,708,270,720/365,434,279.20
  6. Step 6: Final answer
    x = 271,695,810.60

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Similar ratio
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1.5x scale

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.