Home / 654,336,178.80-981,504,268.20-194,345,343.60

Finding the Fourth Proportional to 654,336,178.80, 981,504,268.20 and 194,345,343.60

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Solution

The fourth proportional to 654,336,178.80, 981,504,268.20 and 194,345,343.60 is: 291,518,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,336,178.80 : 981,504,268.20 = 194,345,343.60 : x
  2. Step 2: Convert to fraction form
    654,336,178.80/981,504,268.20 = 194,345,343.60/x
  3. Step 3: Cross multiply
    654,336,178.80x = 981,504,268.20 × 194,345,343.60
  4. Step 4: Simplify right side
    654,336,178.80x = 190,750,784,248,195,552
  5. Step 5: Solve for x
    x = 190,750,784,248,195,552/654,336,178.80
  6. Step 6: Final answer
    x = 291,518,015.40

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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.