Home / 260,760,384,117.60-391,140,576,176.40-213,650,052,655.20

Finding the Fourth Proportional to 260,760,384,117.60, 391,140,576,176.40 and 213,650,052,655.20

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Solution

The fourth proportional to 260,760,384,117.60, 391,140,576,176.40 and 213,650,052,655.20 is: 320,475,078,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,384,117.60 : 391,140,576,176.40 = 213,650,052,655.20 : x
  2. Step 2: Convert to fraction form
    260,760,384,117.60/391,140,576,176.40 = 213,650,052,655.20/x
  3. Step 3: Cross multiply
    260,760,384,117.60x = 391,140,576,176.40 × 213,650,052,655.20
  4. Step 4: Simplify right side
    260,760,384,117.60x = 83,567,204,695,673,141,198,848
  5. Step 5: Solve for x
    x = 83,567,204,695,673,141,198,848/260,760,384,117.60
  6. Step 6: Final answer
    x = 320,475,078,982.80

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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.