Home / 387,162,003.60-580,743,005.40-299,486,048.40

Finding the Fourth Proportional to 387,162,003.60, 580,743,005.40 and 299,486,048.40

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Solution

The fourth proportional to 387,162,003.60, 580,743,005.40 and 299,486,048.40 is: 449,229,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,162,003.60 : 580,743,005.40 = 299,486,048.40 : x
  2. Step 2: Convert to fraction form
    387,162,003.60/580,743,005.40 = 299,486,048.40/x
  3. Step 3: Cross multiply
    387,162,003.60x = 580,743,005.40 × 299,486,048.40
  4. Step 4: Simplify right side
    387,162,003.60x = 173,924,427,823,185,856
  5. Step 5: Solve for x
    x = 173,924,427,823,185,856/387,162,003.60
  6. Step 6: Final answer
    x = 449,229,072.60

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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.