Home / 18,851,923,578.96-28,284,780,626.28-8,772,443,687.16

Finding the Fourth Proportional to 18,851,923,578.96, 28,284,780,626.28 and 8,772,443,687.16

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Solution

The fourth proportional to 18,851,923,578.96, 28,284,780,626.28 and 8,772,443,687.16 is: 13,161,874,129.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,923,578.96 : 28,284,780,626.28 = 8,772,443,687.16 : x
  2. Step 2: Convert to fraction form
    18,851,923,578.96/28,284,780,626.28 = 8,772,443,687.16/x
  3. Step 3: Cross multiply
    18,851,923,578.96x = 28,284,780,626.28 × 8,772,443,687.16
  4. Step 4: Simplify right side
    18,851,923,578.96x = 248,126,645,247,715,442,688
  5. Step 5: Solve for x
    x = 248,126,645,247,715,442,688/18,851,923,578.96
  6. Step 6: Final answer
    x = 13,161,874,129.63

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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.