Home / 440,532,080.80-660,798,121.20-236,458,736.80

Finding the Fourth Proportional to 440,532,080.80, 660,798,121.20 and 236,458,736.80

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Solution

The fourth proportional to 440,532,080.80, 660,798,121.20 and 236,458,736.80 is: 354,688,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,532,080.80 : 660,798,121.20 = 236,458,736.80 : x
  2. Step 2: Convert to fraction form
    440,532,080.80/660,798,121.20 = 236,458,736.80/x
  3. Step 3: Cross multiply
    440,532,080.80x = 660,798,121.20 × 236,458,736.80
  4. Step 4: Simplify right side
    440,532,080.80x = 156,251,489,018,765,312
  5. Step 5: Solve for x
    x = 156,251,489,018,765,312/440,532,080.80
  6. Step 6: Final answer
    x = 354,688,105.20

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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.