Home / 354,117,630.96-488,515,546.80-230,313,135.60

Finding the Fourth Proportional to 354,117,630.96, 488,515,546.80 and 230,313,135.60

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Solution

The fourth proportional to 354,117,630.96, 488,515,546.80 and 230,313,135.60 is: 317,723,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,117,630.96 : 488,515,546.80 = 230,313,135.60 : x
  2. Step 2: Convert to fraction form
    354,117,630.96/488,515,546.80 = 230,313,135.60/x
  3. Step 3: Cross multiply
    354,117,630.96x = 488,515,546.80 × 230,313,135.60
  4. Step 4: Simplify right side
    354,117,630.96x = 112,511,547,372,856,544
  5. Step 5: Solve for x
    x = 112,511,547,372,856,544/354,117,630.96
  6. Step 6: Final answer
    x = 317,723,653.20

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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.