Home / 3,364,921,144.80-5,042,870,008.32-2,618,837,808.80

Finding the Fourth Proportional to 3,364,921,144.80, 5,042,870,008.32 and 2,618,837,808.80

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Solution

The fourth proportional to 3,364,921,144.80, 5,042,870,008.32 and 2,618,837,808.80 is: 3,924,745,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364,921,144.80 : 5,042,870,008.32 = 2,618,837,808.80 : x
  2. Step 2: Convert to fraction form
    3,364,921,144.80/5,042,870,008.32 = 2,618,837,808.80/x
  3. Step 3: Cross multiply
    3,364,921,144.80x = 5,042,870,008.32 × 2,618,837,808.80
  4. Step 4: Simplify right side
    3,364,921,144.80x = 13,206,458,642,651,985,920
  5. Step 5: Solve for x
    x = 13,206,458,642,651,985,920/3,364,921,144.80
  6. Step 6: Final answer
    x = 3,924,745,357.87

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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.