Home / 22,720,455,245.88-31,353,626,789.82-12,696,032,466.36

Finding the Fourth Proportional to 22,720,455,245.88, 31,353,626,789.82 and 12,696,032,466.36

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Solution

The fourth proportional to 22,720,455,245.88, 31,353,626,789.82 and 12,696,032,466.36 is: 17,520,188,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720,455,245.88 : 31,353,626,789.82 = 12,696,032,466.36 : x
  2. Step 2: Convert to fraction form
    22,720,455,245.88/31,353,626,789.82 = 12,696,032,466.36/x
  3. Step 3: Cross multiply
    22,720,455,245.88x = 31,353,626,789.82 × 12,696,032,466.36
  4. Step 4: Simplify right side
    22,720,455,245.88x = 398,066,663,661,689,372,672
  5. Step 5: Solve for x
    x = 398,066,663,661,689,372,672/22,720,455,245.88
  6. Step 6: Final answer
    x = 17,520,188,717.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.