Home / 260,760,391,796.40-391,140,587,694.60-181,416,675,649.20

Finding the Fourth Proportional to 260,760,391,796.40, 391,140,587,694.60 and 181,416,675,649.20

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Solution

The fourth proportional to 260,760,391,796.40, 391,140,587,694.60 and 181,416,675,649.20 is: 272,125,013,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,391,796.40 : 391,140,587,694.60 = 181,416,675,649.20 : x
  2. Step 2: Convert to fraction form
    260,760,391,796.40/391,140,587,694.60 = 181,416,675,649.20/x
  3. Step 3: Cross multiply
    260,760,391,796.40x = 391,140,587,694.60 × 181,416,675,649.20
  4. Step 4: Simplify right side
    260,760,391,796.40x = 70,959,425,131,028,716,453,888
  5. Step 5: Solve for x
    x = 70,959,425,131,028,716,453,888/260,760,391,796.40
  6. Step 6: Final answer
    x = 272,125,013,473.80

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Double scale
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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.