Home / 21,315,780,394.34-29,414,611,572.03-11,668,644,114.44

Finding the Fourth Proportional to 21,315,780,394.34, 29,414,611,572.03 and 11,668,644,114.44

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Solution

The fourth proportional to 21,315,780,394.34, 29,414,611,572.03 and 11,668,644,114.44 is: 16,102,090,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,780,394.34 : 29,414,611,572.03 = 11,668,644,114.44 : x
  2. Step 2: Convert to fraction form
    21,315,780,394.34/29,414,611,572.03 = 11,668,644,114.44/x
  3. Step 3: Cross multiply
    21,315,780,394.34x = 29,414,611,572.03 × 11,668,644,114.44
  4. Step 4: Simplify right side
    21,315,780,394.34x = 343,228,634,198,359,474,176
  5. Step 5: Solve for x
    x = 343,228,634,198,359,474,176/21,315,780,394.34
  6. Step 6: Final answer
    x = 16,102,090,932.10

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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.