Home / 429,396,951.33-644,095,328.58-122,689,067.85

Finding the Fourth Proportional to 429,396,951.33, 644,095,328.58 and 122,689,067.85

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Solution

The fourth proportional to 429,396,951.33, 644,095,328.58 and 122,689,067.85 is: 184,033,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,396,951.33 : 644,095,328.58 = 122,689,067.85 : x
  2. Step 2: Convert to fraction form
    429,396,951.33/644,095,328.58 = 122,689,067.85/x
  3. Step 3: Cross multiply
    429,396,951.33x = 644,095,328.58 × 122,689,067.85
  4. Step 4: Simplify right side
    429,396,951.33x = 79,023,455,470,019,664
  5. Step 5: Solve for x
    x = 79,023,455,470,019,664/429,396,951.33
  6. Step 6: Final answer
    x = 184,033,573.66

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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.