Home / 19,255,918,067.61-28,885,856,179.67-6,664,755,912.45

Finding the Fourth Proportional to 19,255,918,067.61, 28,885,856,179.67 and 6,664,755,912.45

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Solution

The fourth proportional to 19,255,918,067.61, 28,885,856,179.67 and 6,664,755,912.45 is: 9,997,818,856.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255,918,067.61 : 28,885,856,179.67 = 6,664,755,912.45 : x
  2. Step 2: Convert to fraction form
    19,255,918,067.61/28,885,856,179.67 = 6,664,755,912.45/x
  3. Step 3: Cross multiply
    19,255,918,067.61x = 28,885,856,179.67 × 6,664,755,912.45
  4. Step 4: Simplify right side
    19,255,918,067.61x = 192,517,180,759,552,917,504
  5. Step 5: Solve for x
    x = 192,517,180,759,552,917,504/19,255,918,067.61
  6. Step 6: Final answer
    x = 9,997,818,856.71

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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.