Home / 643,603,583.93-965,414,233.44-183,541,802.45

Finding the Fourth Proportional to 643,603,583.93, 965,414,233.44 and 183,541,802.45

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Solution

The fourth proportional to 643,603,583.93, 965,414,233.44 and 183,541,802.45 is: 275,315,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,603,583.93 : 965,414,233.44 = 183,541,802.45 : x
  2. Step 2: Convert to fraction form
    643,603,583.93/965,414,233.44 = 183,541,802.45/x
  3. Step 3: Cross multiply
    643,603,583.93x = 965,414,233.44 × 183,541,802.45
  4. Step 4: Simplify right side
    643,603,583.93x = 177,193,868,511,635,584
  5. Step 5: Solve for x
    x = 177,193,868,511,635,584/643,603,583.93
  6. Step 6: Final answer
    x = 275,315,229.65

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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.