Home / 18,615,976,540.86-27,923,780,792.75-8,528,828,220.66

Finding the Fourth Proportional to 18,615,976,540.86, 27,923,780,792.75 and 8,528,828,220.66

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Solution

The fourth proportional to 18,615,976,540.86, 27,923,780,792.75 and 8,528,828,220.66 is: 12,793,158,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615,976,540.86 : 27,923,780,792.75 = 8,528,828,220.66 : x
  2. Step 2: Convert to fraction form
    18,615,976,540.86/27,923,780,792.75 = 8,528,828,220.66/x
  3. Step 3: Cross multiply
    18,615,976,540.86x = 27,923,780,792.75 × 8,528,828,220.66
  4. Step 4: Simplify right side
    18,615,976,540.86x = 238,157,129,652,729,872,384
  5. Step 5: Solve for x
    x = 238,157,129,652,729,872,384/18,615,976,540.86
  6. Step 6: Final answer
    x = 12,793,158,023.70

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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.