Home / 853,136,168.07-1,279,752,081.54-239,672,564.67

Finding the Fourth Proportional to 853,136,168.07, 1,279,752,081.54 and 239,672,564.67

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Solution

The fourth proportional to 853,136,168.07, 1,279,752,081.54 and 239,672,564.67 is: 359,522,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,136,168.07 : 1,279,752,081.54 = 239,672,564.67 : x
  2. Step 2: Convert to fraction form
    853,136,168.07/1,279,752,081.54 = 239,672,564.67/x
  3. Step 3: Cross multiply
    853,136,168.07x = 1,279,752,081.54 × 239,672,564.67
  4. Step 4: Simplify right side
    853,136,168.07x = 306,721,463,524,462,720
  5. Step 5: Solve for x
    x = 306,721,463,524,462,720/853,136,168.07
  6. Step 6: Final answer
    x = 359,522,283.79

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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.