Home / 12,940,588,998.60-19,410,883,497.90-12,432,673,120.20

Finding the Fourth Proportional to 12,940,588,998.60, 19,410,883,497.90 and 12,432,673,120.20

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Solution

The fourth proportional to 12,940,588,998.60, 19,410,883,497.90 and 12,432,673,120.20 is: 18,649,009,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,588,998.60 : 19,410,883,497.90 = 12,432,673,120.20 : x
  2. Step 2: Convert to fraction form
    12,940,588,998.60/19,410,883,497.90 = 12,432,673,120.20/x
  3. Step 3: Cross multiply
    12,940,588,998.60x = 19,410,883,497.90 × 12,432,673,120.20
  4. Step 4: Simplify right side
    12,940,588,998.60x = 241,329,169,503,675,121,664
  5. Step 5: Solve for x
    x = 241,329,169,503,675,121,664/12,940,588,998.60
  6. Step 6: Final answer
    x = 18,649,009,680.30

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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.