Home / 852,498,200.80-1,278,747,349.80-206,265,944.80

Finding the Fourth Proportional to 852,498,200.80, 1,278,747,349.80 and 206,265,944.80

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Solution

The fourth proportional to 852,498,200.80, 1,278,747,349.80 and 206,265,944.80 is: 309,398,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,498,200.80 : 1,278,747,349.80 = 206,265,944.80 : x
  2. Step 2: Convert to fraction form
    852,498,200.80/1,278,747,349.80 = 206,265,944.80/x
  3. Step 3: Cross multiply
    852,498,200.80x = 1,278,747,349.80 × 206,265,944.80
  4. Step 4: Simplify right side
    852,498,200.80x = 263,762,030,266,993,088
  5. Step 5: Solve for x
    x = 263,762,030,266,993,088/852,498,200.80
  6. Step 6: Final answer
    x = 309,398,928.96

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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.