Home / 18,394,988,225.98-25,389,806,895.74-11,980,791,805.61

Finding the Fourth Proportional to 18,394,988,225.98, 25,389,806,895.74 and 11,980,791,805.61

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Solution

The fourth proportional to 18,394,988,225.98, 25,389,806,895.74 and 11,980,791,805.61 is: 16,536,568,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,988,225.98 : 25,389,806,895.74 = 11,980,791,805.61 : x
  2. Step 2: Convert to fraction form
    18,394,988,225.98/25,389,806,895.74 = 11,980,791,805.61/x
  3. Step 3: Cross multiply
    18,394,988,225.98x = 25,389,806,895.74 × 11,980,791,805.61
  4. Step 4: Simplify right side
    18,394,988,225.98x = 304,189,990,402,502,098,944
  5. Step 5: Solve for x
    x = 304,189,990,402,502,098,944/18,394,988,225.98
  6. Step 6: Final answer
    x = 16,536,568,910.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.