Home / 66,461,139,231.20-99,691,708,846.80-19,932,416,799.20

Finding the Fourth Proportional to 66,461,139,231.20, 99,691,708,846.80 and 19,932,416,799.20

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Solution

The fourth proportional to 66,461,139,231.20, 99,691,708,846.80 and 19,932,416,799.20 is: 29,898,625,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,461,139,231.20 : 99,691,708,846.80 = 19,932,416,799.20 : x
  2. Step 2: Convert to fraction form
    66,461,139,231.20/99,691,708,846.80 = 19,932,416,799.20/x
  3. Step 3: Cross multiply
    66,461,139,231.20x = 99,691,708,846.80 × 19,932,416,799.20
  4. Step 4: Simplify right side
    66,461,139,231.20x = 1,987,096,692,158,911,741,952
  5. Step 5: Solve for x
    x = 1,987,096,692,158,911,741,952/66,461,139,231.20
  6. Step 6: Final answer
    x = 29,898,625,198.80

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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.