Home / 19,714,374,692.78-27,215,218,299.96-13,207,669,821.80

Finding the Fourth Proportional to 19,714,374,692.78, 27,215,218,299.96 and 13,207,669,821.80

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Solution

The fourth proportional to 19,714,374,692.78, 27,215,218,299.96 and 13,207,669,821.80 is: 18,232,869,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714,374,692.78 : 27,215,218,299.96 = 13,207,669,821.80 : x
  2. Step 2: Convert to fraction form
    19,714,374,692.78/27,215,218,299.96 = 13,207,669,821.80/x
  3. Step 3: Cross multiply
    19,714,374,692.78x = 27,215,218,299.96 × 13,207,669,821.80
  4. Step 4: Simplify right side
    19,714,374,692.78x = 359,449,617,434,080,772,096
  5. Step 5: Solve for x
    x = 359,449,617,434,080,772,096/19,714,374,692.78
  6. Step 6: Final answer
    x = 18,232,869,316.71

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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.