Home / 18,144,860,856.80-27,217,291,285.20-14,471,540,664.80

Finding the Fourth Proportional to 18,144,860,856.80, 27,217,291,285.20 and 14,471,540,664.80

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Solution

The fourth proportional to 18,144,860,856.80, 27,217,291,285.20 and 14,471,540,664.80 is: 21,707,310,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,860,856.80 : 27,217,291,285.20 = 14,471,540,664.80 : x
  2. Step 2: Convert to fraction form
    18,144,860,856.80/27,217,291,285.20 = 14,471,540,664.80/x
  3. Step 3: Cross multiply
    18,144,860,856.80x = 27,217,291,285.20 × 14,471,540,664.80
  4. Step 4: Simplify right side
    18,144,860,856.80x = 393,876,137,619,478,413,312
  5. Step 5: Solve for x
    x = 393,876,137,619,478,413,312/18,144,860,856.80
  6. Step 6: Final answer
    x = 21,707,310,997.20

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1.5x scale

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.