Home / 260,760,389,513.10-391,140,584,269.65-259,107,395,426.70

Finding the Fourth Proportional to 260,760,389,513.10, 391,140,584,269.65 and 259,107,395,426.70

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Solution

The fourth proportional to 260,760,389,513.10, 391,140,584,269.65 and 259,107,395,426.70 is: 388,661,093,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,389,513.10 : 391,140,584,269.65 = 259,107,395,426.70 : x
  2. Step 2: Convert to fraction form
    260,760,389,513.10/391,140,584,269.65 = 259,107,395,426.70/x
  3. Step 3: Cross multiply
    260,760,389,513.10x = 391,140,584,269.65 × 259,107,395,426.70
  4. Step 4: Simplify right side
    260,760,389,513.10x = 101,347,418,035,786,694,524,928
  5. Step 5: Solve for x
    x = 101,347,418,035,786,694,524,928/260,760,389,513.10
  6. Step 6: Final answer
    x = 388,661,093,140.05

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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.