Home / 257,794,940,433.64-355,775,820,606.16-149,436,012,463.61

Finding the Fourth Proportional to 257,794,940,433.64, 355,775,820,606.16 and 149,436,012,463.61

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Solution

The fourth proportional to 257,794,940,433.64, 355,775,820,606.16 and 149,436,012,463.61 is: 206,232,596,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,794,940,433.64 : 355,775,820,606.16 = 149,436,012,463.61 : x
  2. Step 2: Convert to fraction form
    257,794,940,433.64/355,775,820,606.16 = 149,436,012,463.61/x
  3. Step 3: Cross multiply
    257,794,940,433.64x = 355,775,820,606.16 × 149,436,012,463.61
  4. Step 4: Simplify right side
    257,794,940,433.64x = 53,165,719,962,353,187,946,496
  5. Step 5: Solve for x
    x = 53,165,719,962,353,187,946,496/257,794,940,433.64
  6. Step 6: Final answer
    x = 206,232,596,624.75

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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.