Home / 403,544,778.30-604,936,301.40-219,040,272.90

Finding the Fourth Proportional to 403,544,778.30, 604,936,301.40 and 219,040,272.90

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Solution

The fourth proportional to 403,544,778.30, 604,936,301.40 and 219,040,272.90 is: 328,353,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,544,778.30 : 604,936,301.40 = 219,040,272.90 : x
  2. Step 2: Convert to fraction form
    403,544,778.30/604,936,301.40 = 219,040,272.90/x
  3. Step 3: Cross multiply
    403,544,778.30x = 604,936,301.40 × 219,040,272.90
  4. Step 4: Simplify right side
    403,544,778.30x = 132,505,412,545,772,656
  5. Step 5: Solve for x
    x = 132,505,412,545,772,656/403,544,778.30
  6. Step 6: Final answer
    x = 328,353,678.88

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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.