Home / 18,197,891,107.90-27,296,836,661.85-7,156,767,370.30

Finding the Fourth Proportional to 18,197,891,107.90, 27,296,836,661.85 and 7,156,767,370.30

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Solution

The fourth proportional to 18,197,891,107.90, 27,296,836,661.85 and 7,156,767,370.30 is: 10,735,151,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197,891,107.90 : 27,296,836,661.85 = 7,156,767,370.30 : x
  2. Step 2: Convert to fraction form
    18,197,891,107.90/27,296,836,661.85 = 7,156,767,370.30/x
  3. Step 3: Cross multiply
    18,197,891,107.90x = 27,296,836,661.85 × 7,156,767,370.30
  4. Step 4: Simplify right side
    18,197,891,107.90x = 195,357,109,933,936,836,608
  5. Step 5: Solve for x
    x = 195,357,109,933,936,836,608/18,197,891,107.90
  6. Step 6: Final answer
    x = 10,735,151,055.45

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Double scale
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1.5x scale

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.