Home / 260,760,044.55-391,140,066.83-256,933,669.35

Finding the Fourth Proportional to 260,760,044.55, 391,140,066.83 and 256,933,669.35

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Solution

The fourth proportional to 260,760,044.55, 391,140,066.83 and 256,933,669.35 is: 385,400,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,044.55 : 391,140,066.83 = 256,933,669.35 : x
  2. Step 2: Convert to fraction form
    260,760,044.55/391,140,066.83 = 256,933,669.35/x
  3. Step 3: Cross multiply
    260,760,044.55x = 391,140,066.83 × 256,933,669.35
  4. Step 4: Simplify right side
    260,760,044.55x = 100,497,052,599,151,456
  5. Step 5: Solve for x
    x = 100,497,052,599,151,456/260,760,044.55
  6. Step 6: Final answer
    x = 385,400,504.03

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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.