Home / 2,913,192,005.80-4,369,788,008.70-2,647,896,658.60

Finding the Fourth Proportional to 2,913,192,005.80, 4,369,788,008.70 and 2,647,896,658.60

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Solution

The fourth proportional to 2,913,192,005.80, 4,369,788,008.70 and 2,647,896,658.60 is: 3,971,844,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,192,005.80 : 4,369,788,008.70 = 2,647,896,658.60 : x
  2. Step 2: Convert to fraction form
    2,913,192,005.80/4,369,788,008.70 = 2,647,896,658.60/x
  3. Step 3: Cross multiply
    2,913,192,005.80x = 4,369,788,008.70 × 2,647,896,658.60
  4. Step 4: Simplify right side
    2,913,192,005.80x = 11,570,747,067,027,077,120
  5. Step 5: Solve for x
    x = 11,570,747,067,027,077,120/2,913,192,005.80
  6. Step 6: Final answer
    x = 3,971,844,987.90

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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.