Home / 646,637,270.52-892,359,791.82-349,279,511.52

Finding the Fourth Proportional to 646,637,270.52, 892,359,791.82 and 349,279,511.52

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Solution

The fourth proportional to 646,637,270.52, 892,359,791.82 and 349,279,511.52 is: 482,005,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,637,270.52 : 892,359,791.82 = 349,279,511.52 : x
  2. Step 2: Convert to fraction form
    646,637,270.52/892,359,791.82 = 349,279,511.52/x
  3. Step 3: Cross multiply
    646,637,270.52x = 892,359,791.82 × 349,279,511.52
  4. Step 4: Simplify right side
    646,637,270.52x = 311,682,992,186,978,496
  5. Step 5: Solve for x
    x = 311,682,992,186,978,496/646,637,270.52
  6. Step 6: Final answer
    x = 482,005,919.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.