Home / 485,097,984,186.80-727,646,976,280.20-170,924,691,642.80

Finding the Fourth Proportional to 485,097,984,186.80, 727,646,976,280.20 and 170,924,691,642.80

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Solution

The fourth proportional to 485,097,984,186.80, 727,646,976,280.20 and 170,924,691,642.80 is: 256,387,037,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,097,984,186.80 : 727,646,976,280.20 = 170,924,691,642.80 : x
  2. Step 2: Convert to fraction form
    485,097,984,186.80/727,646,976,280.20 = 170,924,691,642.80/x
  3. Step 3: Cross multiply
    485,097,984,186.80x = 727,646,976,280.20 × 170,924,691,642.80
  4. Step 4: Simplify right side
    485,097,984,186.80x = 124,372,835,045,508,965,728,256
  5. Step 5: Solve for x
    x = 124,372,835,045,508,965,728,256/485,097,984,186.80
  6. Step 6: Final answer
    x = 256,387,037,464.20

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Double scale
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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.