Home / 766,690,221.20-1,150,035,331.80-281,953,043.60

Finding the Fourth Proportional to 766,690,221.20, 1,150,035,331.80 and 281,953,043.60

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Solution

The fourth proportional to 766,690,221.20, 1,150,035,331.80 and 281,953,043.60 is: 422,929,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,690,221.20 : 1,150,035,331.80 = 281,953,043.60 : x
  2. Step 2: Convert to fraction form
    766,690,221.20/1,150,035,331.80 = 281,953,043.60/x
  3. Step 3: Cross multiply
    766,690,221.20x = 1,150,035,331.80 × 281,953,043.60
  4. Step 4: Simplify right side
    766,690,221.20x = 324,255,962,048,545,856
  5. Step 5: Solve for x
    x = 324,255,962,048,545,856/766,690,221.20
  6. Step 6: Final answer
    x = 422,929,565.40

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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.