Home / 319,881,629.30-479,822,443.94-77,544,533.30

Finding the Fourth Proportional to 319,881,629.30, 479,822,443.94 and 77,544,533.30

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Solution

The fourth proportional to 319,881,629.30, 479,822,443.94 and 77,544,533.30 is: 116,316,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,881,629.30 : 479,822,443.94 = 77,544,533.30 : x
  2. Step 2: Convert to fraction form
    319,881,629.30/479,822,443.94 = 77,544,533.30/x
  3. Step 3: Cross multiply
    319,881,629.30x = 479,822,443.94 × 77,544,533.30
  4. Step 4: Simplify right side
    319,881,629.30x = 37,207,607,479,987,464
  5. Step 5: Solve for x
    x = 37,207,607,479,987,464/319,881,629.30
  6. Step 6: Final answer
    x = 116,316,799.94

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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.