Home / 3,897,233,999.70-5,845,850,999.55-3,621,734,985.30

Finding the Fourth Proportional to 3,897,233,999.70, 5,845,850,999.55 and 3,621,734,985.30

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Solution

The fourth proportional to 3,897,233,999.70, 5,845,850,999.55 and 3,621,734,985.30 is: 5,432,602,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,233,999.70 : 5,845,850,999.55 = 3,621,734,985.30 : x
  2. Step 2: Convert to fraction form
    3,897,233,999.70/5,845,850,999.55 = 3,621,734,985.30/x
  3. Step 3: Cross multiply
    3,897,233,999.70x = 5,845,850,999.55 × 3,621,734,985.30
  4. Step 4: Simplify right side
    3,897,233,999.70x = 21,172,123,083,921,211,392
  5. Step 5: Solve for x
    x = 21,172,123,083,921,211,392/3,897,233,999.70
  6. Step 6: Final answer
    x = 5,432,602,477.95

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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.