Home / 339,346,603.26-508,313,669.13-215,913,489.66

Finding the Fourth Proportional to 339,346,603.26, 508,313,669.13 and 215,913,489.66

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Solution

The fourth proportional to 339,346,603.26, 508,313,669.13 and 215,913,489.66 is: 323,420,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,346,603.26 : 508,313,669.13 = 215,913,489.66 : x
  2. Step 2: Convert to fraction form
    339,346,603.26/508,313,669.13 = 215,913,489.66/x
  3. Step 3: Cross multiply
    339,346,603.26x = 508,313,669.13 × 215,913,489.66
  4. Step 4: Simplify right side
    339,346,603.26x = 109,751,778,143,736,912
  5. Step 5: Solve for x
    x = 109,751,778,143,736,912/339,346,603.26
  6. Step 6: Final answer
    x = 323,420,883.22

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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.