Home / 260,760,384,041.60-391,140,576,062.40-218,918,971,229.60

Finding the Fourth Proportional to 260,760,384,041.60, 391,140,576,062.40 and 218,918,971,229.60

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Solution

The fourth proportional to 260,760,384,041.60, 391,140,576,062.40 and 218,918,971,229.60 is: 328,378,456,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,384,041.60 : 391,140,576,062.40 = 218,918,971,229.60 : x
  2. Step 2: Convert to fraction form
    260,760,384,041.60/391,140,576,062.40 = 218,918,971,229.60/x
  3. Step 3: Cross multiply
    260,760,384,041.60x = 391,140,576,062.40 × 218,918,971,229.60
  4. Step 4: Simplify right side
    260,760,384,041.60x = 85,628,092,517,733,715,935,232
  5. Step 5: Solve for x
    x = 85,628,092,517,733,715,935,232/260,760,384,041.60
  6. Step 6: Final answer
    x = 328,378,456,844.40

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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.