Home / 14,512,017,147.51-20,025,306,331.80-8,081,351,199.29

Finding the Fourth Proportional to 14,512,017,147.51, 20,025,306,331.80 and 8,081,351,199.29

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Solution

The fourth proportional to 14,512,017,147.51, 20,025,306,331.80 and 8,081,351,199.29 is: 11,151,553,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512,017,147.51 : 20,025,306,331.80 = 8,081,351,199.29 : x
  2. Step 2: Convert to fraction form
    14,512,017,147.51/20,025,306,331.80 = 8,081,351,199.29/x
  3. Step 3: Cross multiply
    14,512,017,147.51x = 20,025,306,331.80 × 8,081,351,199.29
  4. Step 4: Simplify right side
    14,512,017,147.51x = 161,831,533,340,541,419,520
  5. Step 5: Solve for x
    x = 161,831,533,340,541,419,520/14,512,017,147.51
  6. Step 6: Final answer
    x = 11,151,553,343.38

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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.