Home / 260,760,384,077.85-391,140,576,116.78-181,416,667,930.65

Finding the Fourth Proportional to 260,760,384,077.85, 391,140,576,116.78 and 181,416,667,930.65

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Solution

The fourth proportional to 260,760,384,077.85, 391,140,576,116.78 and 181,416,667,930.65 is: 272,125,001,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,384,077.85 : 391,140,576,116.78 = 181,416,667,930.65 : x
  2. Step 2: Convert to fraction form
    260,760,384,077.85/391,140,576,116.78 = 181,416,667,930.65/x
  3. Step 3: Cross multiply
    260,760,384,077.85x = 391,140,576,116.78 × 181,416,667,930.65
  4. Step 4: Simplify right side
    260,760,384,077.85x = 70,959,420,011,581,009,821,696
  5. Step 5: Solve for x
    x = 70,959,420,011,581,009,821,696/260,760,384,077.85
  6. Step 6: Final answer
    x = 272,125,001,895.98

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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.