Home / 925,226,704.57-1,276,800,947.85-528,745,146.52

Finding the Fourth Proportional to 925,226,704.57, 1,276,800,947.85 and 528,745,146.52

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Solution

The fourth proportional to 925,226,704.57, 1,276,800,947.85 and 528,745,146.52 is: 729,661,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,226,704.57 : 1,276,800,947.85 = 528,745,146.52 : x
  2. Step 2: Convert to fraction form
    925,226,704.57/1,276,800,947.85 = 528,745,146.52/x
  3. Step 3: Cross multiply
    925,226,704.57x = 1,276,800,947.85 × 528,745,146.52
  4. Step 4: Simplify right side
    925,226,704.57x = 675,102,304,247,823,104
  5. Step 5: Solve for x
    x = 675,102,304,247,823,104/925,226,704.57
  6. Step 6: Final answer
    x = 729,661,499.08

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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.