Home / 319,578,172.26-479,505,356.94-171,853,070

Finding the Fourth Proportional to 319,578,172.26, 479,505,356.94 and 171,853,070

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Solution

The fourth proportional to 319,578,172.26, 479,505,356.94 and 171,853,070 is: 257,853,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,578,172.26 : 479,505,356.94 = 171,853,070 : x
  2. Step 2: Convert to fraction form
    319,578,172.26/479,505,356.94 = 171,853,070/x
  3. Step 3: Cross multiply
    319,578,172.26x = 479,505,356.94 × 171,853,070
  4. Step 4: Simplify right side
    319,578,172.26x = 82,404,467,671,584,800
  5. Step 5: Solve for x
    x = 82,404,467,671,584,800/319,578,172.26
  6. Step 6: Final answer
    x = 257,853,867.46

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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.