Home / 852,192,017.20-1,278,288,025.80-818,748,996.40

Finding the Fourth Proportional to 852,192,017.20, 1,278,288,025.80 and 818,748,996.40

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Solution

The fourth proportional to 852,192,017.20, 1,278,288,025.80 and 818,748,996.40 is: 1,228,123,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,192,017.20 : 1,278,288,025.80 = 818,748,996.40 : x
  2. Step 2: Convert to fraction form
    852,192,017.20/1,278,288,025.80 = 818,748,996.40/x
  3. Step 3: Cross multiply
    852,192,017.20x = 1,278,288,025.80 × 818,748,996.40
  4. Step 4: Simplify right side
    852,192,017.20x = 1,046,597,038,233,887,232
  5. Step 5: Solve for x
    x = 1,046,597,038,233,887,232/852,192,017.20
  6. Step 6: Final answer
    x = 1,228,123,494.60

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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.