Home / 327,921,278,585.40-491,881,917,878.10-195,572,912,556.60

Finding the Fourth Proportional to 327,921,278,585.40, 491,881,917,878.10 and 195,572,912,556.60

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Solution

The fourth proportional to 327,921,278,585.40, 491,881,917,878.10 and 195,572,912,556.60 is: 293,359,368,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,921,278,585.40 : 491,881,917,878.10 = 195,572,912,556.60 : x
  2. Step 2: Convert to fraction form
    327,921,278,585.40/491,881,917,878.10 = 195,572,912,556.60/x
  3. Step 3: Cross multiply
    327,921,278,585.40x = 491,881,917,878.10 × 195,572,912,556.60
  4. Step 4: Simplify right side
    327,921,278,585.40x = 96,198,779,313,346,345,697,280
  5. Step 5: Solve for x
    x = 96,198,779,313,346,345,697,280/327,921,278,585.40
  6. Step 6: Final answer
    x = 293,359,368,834.90

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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.