Home / 807,707,151.28-1,211,685,993.79-341,370,538.59

Finding the Fourth Proportional to 807,707,151.28, 1,211,685,993.79 and 341,370,538.59

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Solution

The fourth proportional to 807,707,151.28, 1,211,685,993.79 and 341,370,538.59 is: 512,108,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,707,151.28 : 1,211,685,993.79 = 341,370,538.59 : x
  2. Step 2: Convert to fraction form
    807,707,151.28/1,211,685,993.79 = 341,370,538.59/x
  3. Step 3: Cross multiply
    807,707,151.28x = 1,211,685,993.79 × 341,370,538.59
  4. Step 4: Simplify right side
    807,707,151.28x = 413,633,900,307,653,824
  5. Step 5: Solve for x
    x = 413,633,900,307,653,824/807,707,151.28
  6. Step 6: Final answer
    x = 512,108,750.87

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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.