Home / 403,552,402.20-605,328,603.30-219,408,095.70

Finding the Fourth Proportional to 403,552,402.20, 605,328,603.30 and 219,408,095.70

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Solution

The fourth proportional to 403,552,402.20, 605,328,603.30 and 219,408,095.70 is: 329,112,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,552,402.20 : 605,328,603.30 = 219,408,095.70 : x
  2. Step 2: Convert to fraction form
    403,552,402.20/605,328,603.30 = 219,408,095.70/x
  3. Step 3: Cross multiply
    403,552,402.20x = 605,328,603.30 × 219,408,095.70
  4. Step 4: Simplify right side
    403,552,402.20x = 132,813,996,122,793,712
  5. Step 5: Solve for x
    x = 132,813,996,122,793,712/403,552,402.20
  6. Step 6: Final answer
    x = 329,112,143.55

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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.