Home / 852,192,887.20-1,278,289,330.80-818,749,866.40

Finding the Fourth Proportional to 852,192,887.20, 1,278,289,330.80 and 818,749,866.40

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Solution

The fourth proportional to 852,192,887.20, 1,278,289,330.80 and 818,749,866.40 is: 1,228,124,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,192,887.20 : 1,278,289,330.80 = 818,749,866.40 : x
  2. Step 2: Convert to fraction form
    852,192,887.20/1,278,289,330.80 = 818,749,866.40/x
  3. Step 3: Cross multiply
    852,192,887.20x = 1,278,289,330.80 × 818,749,866.40
  4. Step 4: Simplify right side
    852,192,887.20x = 1,046,599,218,813,045,376
  5. Step 5: Solve for x
    x = 1,046,599,218,813,045,376/852,192,887.20
  6. Step 6: Final answer
    x = 1,228,124,799.60

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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.