Home / 219,770,490,919.60-329,679,922,849.80-80,214,556,711.60

Finding the Fourth Proportional to 219,770,490,919.60, 329,679,922,849.80 and 80,214,556,711.60

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Solution

The fourth proportional to 219,770,490,919.60, 329,679,922,849.80 and 80,214,556,711.60 is: 120,330,662,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,770,490,919.60 : 329,679,922,849.80 = 80,214,556,711.60 : x
  2. Step 2: Convert to fraction form
    219,770,490,919.60/329,679,922,849.80 = 80,214,556,711.60/x
  3. Step 3: Cross multiply
    219,770,490,919.60x = 329,679,922,849.80 × 80,214,556,711.60
  4. Step 4: Simplify right side
    219,770,490,919.60x = 26,445,128,868,111,195,308,032
  5. Step 5: Solve for x
    x = 26,445,128,868,111,195,308,032/219,770,490,919.60
  6. Step 6: Final answer
    x = 120,330,662,945.04

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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.