Home / 852,192,073.20-1,278,288,109.80-580,094,281.20

Finding the Fourth Proportional to 852,192,073.20, 1,278,288,109.80 and 580,094,281.20

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Solution

The fourth proportional to 852,192,073.20, 1,278,288,109.80 and 580,094,281.20 is: 870,141,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,192,073.20 : 1,278,288,109.80 = 580,094,281.20 : x
  2. Step 2: Convert to fraction form
    852,192,073.20/1,278,288,109.80 = 580,094,281.20/x
  3. Step 3: Cross multiply
    852,192,073.20x = 1,278,288,109.80 × 580,094,281.20
  4. Step 4: Simplify right side
    852,192,073.20x = 741,527,622,220,937,728
  5. Step 5: Solve for x
    x = 741,527,622,220,937,728/852,192,073.20
  6. Step 6: Final answer
    x = 870,141,421.80

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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.