Home / 20,253,969,599.45-30,369,178,065.96-7,663,800,633.75

Finding the Fourth Proportional to 20,253,969,599.45, 30,369,178,065.96 and 7,663,800,633.75

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Solution

The fourth proportional to 20,253,969,599.45, 30,369,178,065.96 and 7,663,800,633.75 is: 11,491,244,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253,969,599.45 : 30,369,178,065.96 = 7,663,800,633.75 : x
  2. Step 2: Convert to fraction form
    20,253,969,599.45/30,369,178,065.96 = 7,663,800,633.75/x
  3. Step 3: Cross multiply
    20,253,969,599.45x = 30,369,178,065.96 × 7,663,800,633.75
  4. Step 4: Simplify right side
    20,253,969,599.45x = 232,743,326,108,370,829,312
  5. Step 5: Solve for x
    x = 232,743,326,108,370,829,312/20,253,969,599.45
  6. Step 6: Final answer
    x = 11,491,244,961.42

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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.