Home / 608,967,028.89-840,382,562.03-330,511,890.33

Finding the Fourth Proportional to 608,967,028.89, 840,382,562.03 and 330,511,890.33

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Solution

The fourth proportional to 608,967,028.89, 840,382,562.03 and 330,511,890.33 is: 456,110,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,967,028.89 : 840,382,562.03 = 330,511,890.33 : x
  2. Step 2: Convert to fraction form
    608,967,028.89/840,382,562.03 = 330,511,890.33/x
  3. Step 3: Cross multiply
    608,967,028.89x = 840,382,562.03 × 330,511,890.33
  4. Step 4: Simplify right side
    608,967,028.89x = 277,756,429,175,251,200
  5. Step 5: Solve for x
    x = 277,756,429,175,251,200/608,967,028.89
  6. Step 6: Final answer
    x = 456,110,784.33

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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.