Home / 279,936,714.60-419,905,071.90-247,058,231.40

Finding the Fourth Proportional to 279,936,714.60, 419,905,071.90 and 247,058,231.40

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Solution

The fourth proportional to 279,936,714.60, 419,905,071.90 and 247,058,231.40 is: 370,587,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,714.60 : 419,905,071.90 = 247,058,231.40 : x
  2. Step 2: Convert to fraction form
    279,936,714.60/419,905,071.90 = 247,058,231.40/x
  3. Step 3: Cross multiply
    279,936,714.60x = 419,905,071.90 × 247,058,231.40
  4. Step 4: Simplify right side
    279,936,714.60x = 103,741,004,419,503,840
  5. Step 5: Solve for x
    x = 103,741,004,419,503,840/279,936,714.60
  6. Step 6: Final answer
    x = 370,587,347.10

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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.