Home / 18,399,045,517.56-25,411,627,019.16-12,367,078,647.84

Finding the Fourth Proportional to 18,399,045,517.56, 25,411,627,019.16 and 12,367,078,647.84

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Solution

The fourth proportional to 18,399,045,517.56, 25,411,627,019.16 and 12,367,078,647.84 is: 17,080,646,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399,045,517.56 : 25,411,627,019.16 = 12,367,078,647.84 : x
  2. Step 2: Convert to fraction form
    18,399,045,517.56/25,411,627,019.16 = 12,367,078,647.84/x
  3. Step 3: Cross multiply
    18,399,045,517.56x = 25,411,627,019.16 × 12,367,078,647.84
  4. Step 4: Simplify right side
    18,399,045,517.56x = 314,267,589,915,527,675,904
  5. Step 5: Solve for x
    x = 314,267,589,915,527,675,904/18,399,045,517.56
  6. Step 6: Final answer
    x = 17,080,646,363.73

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1.5x scale

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.