Home / 257,794,940,435.13-355,775,820,608.22-149,436,012,465.11

Finding the Fourth Proportional to 257,794,940,435.13, 355,775,820,608.22 and 149,436,012,465.11

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Solution

The fourth proportional to 257,794,940,435.13, 355,775,820,608.22 and 149,436,012,465.11 is: 206,232,596,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,794,940,435.13 : 355,775,820,608.22 = 149,436,012,465.11 : x
  2. Step 2: Convert to fraction form
    257,794,940,435.13/355,775,820,608.22 = 149,436,012,465.11/x
  3. Step 3: Cross multiply
    257,794,940,435.13x = 355,775,820,608.22 × 149,436,012,465.11
  4. Step 4: Simplify right side
    257,794,940,435.13x = 53,165,719,963,194,691,158,016
  5. Step 5: Solve for x
    x = 53,165,719,963,194,691,158,016/257,794,940,435.13
  6. Step 6: Final answer
    x = 206,232,596,626.83

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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.