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Finding the Fourth Proportional to 944,786,143.80, 1,414,628,298.90 and 944,786,143.80

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Solution

The fourth proportional to 944,786,143.80, 1,414,628,298.90 and 944,786,143.80 is: 1,414,628,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,786,143.80 : 1,414,628,298.90 = 944,786,143.80 : x
  2. Step 2: Convert to fraction form
    944,786,143.80/1,414,628,298.90 = 944,786,143.80/x
  3. Step 3: Cross multiply
    944,786,143.80x = 1,414,628,298.90 × 944,786,143.80
  4. Step 4: Simplify right side
    944,786,143.80x = 1,336,521,215,428,084,736
  5. Step 5: Solve for x
    x = 1,336,521,215,428,084,736/944,786,143.80
  6. Step 6: Final answer
    x = 1,414,628,298.90

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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.