Home / 403,543,556.01-604,825,079.69-218,873,122.92

Finding the Fourth Proportional to 403,543,556.01, 604,825,079.69 and 218,873,122.92

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Solution

The fourth proportional to 403,543,556.01, 604,825,079.69 and 218,873,122.92 is: 328,043,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,543,556.01 : 604,825,079.69 = 218,873,122.92 : x
  2. Step 2: Convert to fraction form
    403,543,556.01/604,825,079.69 = 218,873,122.92/x
  3. Step 3: Cross multiply
    403,543,556.01x = 604,825,079.69 × 218,873,122.92
  4. Step 4: Simplify right side
    403,543,556.01x = 132,379,954,012,635,344
  5. Step 5: Solve for x
    x = 132,379,954,012,635,344/403,543,556.01
  6. Step 6: Final answer
    x = 328,043,781.25

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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.