Home / 400,843,239.62-552,967,101-347,845,562.69

Finding the Fourth Proportional to 400,843,239.62, 552,967,101 and 347,845,562.69

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Solution

The fourth proportional to 400,843,239.62, 552,967,101 and 347,845,562.69 is: 479,856,296.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,843,239.62 : 552,967,101 = 347,845,562.69 : x
  2. Step 2: Convert to fraction form
    400,843,239.62/552,967,101 = 347,845,562.69/x
  3. Step 3: Cross multiply
    400,843,239.62x = 552,967,101 × 347,845,562.69
  4. Step 4: Simplify right side
    400,843,239.62x = 192,347,152,396,403,072
  5. Step 5: Solve for x
    x = 192,347,152,396,403,072/400,843,239.62
  6. Step 6: Final answer
    x = 479,856,296.39

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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.