Home / 219,770,490,894.60-329,679,922,812.30-80,214,556,686.60

Finding the Fourth Proportional to 219,770,490,894.60, 329,679,922,812.30 and 80,214,556,686.60

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Solution

The fourth proportional to 219,770,490,894.60, 329,679,922,812.30 and 80,214,556,686.60 is: 120,330,662,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,770,490,894.60 : 329,679,922,812.30 = 80,214,556,686.60 : x
  2. Step 2: Convert to fraction form
    219,770,490,894.60/329,679,922,812.30 = 80,214,556,686.60/x
  3. Step 3: Cross multiply
    219,770,490,894.60x = 329,679,922,812.30 × 80,214,556,686.60
  4. Step 4: Simplify right side
    219,770,490,894.60x = 26,445,128,856,861,153,427,456
  5. Step 5: Solve for x
    x = 26,445,128,856,861,153,427,456/219,770,490,894.60
  6. Step 6: Final answer
    x = 120,330,662,907.53

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1.5x scale

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.