Home / 328,010,781.36-492,140,087.38-196,944,445.76

Finding the Fourth Proportional to 328,010,781.36, 492,140,087.38 and 196,944,445.76

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Solution

The fourth proportional to 328,010,781.36, 492,140,087.38 and 196,944,445.76 is: 295,491,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,010,781.36 : 492,140,087.38 = 196,944,445.76 : x
  2. Step 2: Convert to fraction form
    328,010,781.36/492,140,087.38 = 196,944,445.76/x
  3. Step 3: Cross multiply
    328,010,781.36x = 492,140,087.38 × 196,944,445.76
  4. Step 4: Simplify right side
    328,010,781.36x = 96,924,256,745,332,064
  5. Step 5: Solve for x
    x = 96,924,256,745,332,064/328,010,781.36
  6. Step 6: Final answer
    x = 295,491,069.97

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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.