Home / 3,234,100,872.80-4,851,151,774.80-780,437,784.80

Finding the Fourth Proportional to 3,234,100,872.80, 4,851,151,774.80 and 780,437,784.80

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Solution

The fourth proportional to 3,234,100,872.80, 4,851,151,774.80 and 780,437,784.80 is: 1,170,656,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234,100,872.80 : 4,851,151,774.80 = 780,437,784.80 : x
  2. Step 2: Convert to fraction form
    3,234,100,872.80/4,851,151,774.80 = 780,437,784.80/x
  3. Step 3: Cross multiply
    3,234,100,872.80x = 4,851,151,774.80 × 780,437,784.80
  4. Step 4: Simplify right side
    3,234,100,872.80x = 3,786,022,144,853,500,416
  5. Step 5: Solve for x
    x = 3,786,022,144,853,500,416/3,234,100,872.80
  6. Step 6: Final answer
    x = 1,170,656,789.56

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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.