Home / 260,760,386,896.35-391,140,580,344.53-259,107,392,809.95

Finding the Fourth Proportional to 260,760,386,896.35, 391,140,580,344.53 and 259,107,392,809.95

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Solution

The fourth proportional to 260,760,386,896.35, 391,140,580,344.53 and 259,107,392,809.95 is: 388,661,089,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,386,896.35 : 391,140,580,344.53 = 259,107,392,809.95 : x
  2. Step 2: Convert to fraction form
    260,760,386,896.35/391,140,580,344.53 = 259,107,392,809.95/x
  3. Step 3: Cross multiply
    260,760,386,896.35x = 391,140,580,344.53 × 259,107,392,809.95
  4. Step 4: Simplify right side
    260,760,386,896.35x = 101,347,415,995,241,960,833,024
  5. Step 5: Solve for x
    x = 101,347,415,995,241,960,833,024/260,760,386,896.35
  6. Step 6: Final answer
    x = 388,661,089,214.93

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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.