Home / 262,336,600.80-393,504,901.20-80,592,818.40

Finding the Fourth Proportional to 262,336,600.80, 393,504,901.20 and 80,592,818.40

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Solution

The fourth proportional to 262,336,600.80, 393,504,901.20 and 80,592,818.40 is: 120,889,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,336,600.80 : 393,504,901.20 = 80,592,818.40 : x
  2. Step 2: Convert to fraction form
    262,336,600.80/393,504,901.20 = 80,592,818.40/x
  3. Step 3: Cross multiply
    262,336,600.80x = 393,504,901.20 × 80,592,818.40
  4. Step 4: Simplify right side
    262,336,600.80x = 31,713,669,041,921,544
  5. Step 5: Solve for x
    x = 31,713,669,041,921,544/262,336,600.80
  6. Step 6: Final answer
    x = 120,889,227.60

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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.