Home / 315,591,344.40-473,387,016.60-239,063,840.40

Finding the Fourth Proportional to 315,591,344.40, 473,387,016.60 and 239,063,840.40

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Solution

The fourth proportional to 315,591,344.40, 473,387,016.60 and 239,063,840.40 is: 358,595,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,591,344.40 : 473,387,016.60 = 239,063,840.40 : x
  2. Step 2: Convert to fraction form
    315,591,344.40/473,387,016.60 = 239,063,840.40/x
  3. Step 3: Cross multiply
    315,591,344.40x = 473,387,016.60 × 239,063,840.40
  4. Step 4: Simplify right side
    315,591,344.40x = 113,169,718,183,894,560
  5. Step 5: Solve for x
    x = 113,169,718,183,894,560/315,591,344.40
  6. Step 6: Final answer
    x = 358,595,760.60

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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.