Home / 1,208,520,045.20-1,812,780,067.80-634,016,723.60

Finding the Fourth Proportional to 1,208,520,045.20, 1,812,780,067.80 and 634,016,723.60

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Solution

The fourth proportional to 1,208,520,045.20, 1,812,780,067.80 and 634,016,723.60 is: 951,025,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,520,045.20 : 1,812,780,067.80 = 634,016,723.60 : x
  2. Step 2: Convert to fraction form
    1,208,520,045.20/1,812,780,067.80 = 634,016,723.60/x
  3. Step 3: Cross multiply
    1,208,520,045.20x = 1,812,780,067.80 × 634,016,723.60
  4. Step 4: Simplify right side
    1,208,520,045.20x = 1,149,332,879,193,941,888
  5. Step 5: Solve for x
    x = 1,149,332,879,193,941,888/1,208,520,045.20
  6. Step 6: Final answer
    x = 951,025,085.40

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Similar ratio
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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.