Home / 441,126,346.60-661,692,800.40-164,840,012.20

Finding the Fourth Proportional to 441,126,346.60, 661,692,800.40 and 164,840,012.20

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Solution

The fourth proportional to 441,126,346.60, 661,692,800.40 and 164,840,012.20 is: 247,261,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,126,346.60 : 661,692,800.40 = 164,840,012.20 : x
  2. Step 2: Convert to fraction form
    441,126,346.60/661,692,800.40 = 164,840,012.20/x
  3. Step 3: Cross multiply
    441,126,346.60x = 661,692,800.40 × 164,840,012.20
  4. Step 4: Simplify right side
    441,126,346.60x = 109,073,449,290,588,160
  5. Step 5: Solve for x
    x = 109,073,449,290,588,160/441,126,346.60
  6. Step 6: Final answer
    x = 247,261,244.16

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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.