Home / 353,289,819.60-529,934,729.40-330,615,003.60

Finding the Fourth Proportional to 353,289,819.60, 529,934,729.40 and 330,615,003.60

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Solution

The fourth proportional to 353,289,819.60, 529,934,729.40 and 330,615,003.60 is: 495,922,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,289,819.60 : 529,934,729.40 = 330,615,003.60 : x
  2. Step 2: Convert to fraction form
    353,289,819.60/529,934,729.40 = 330,615,003.60/x
  3. Step 3: Cross multiply
    353,289,819.60x = 529,934,729.40 × 330,615,003.60
  4. Step 4: Simplify right side
    353,289,819.60x = 175,204,372,468,346,016
  5. Step 5: Solve for x
    x = 175,204,372,468,346,016/353,289,819.60
  6. Step 6: Final answer
    x = 495,922,505.40

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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.