Home / 21,254,022,450.85-31,885,511,178.33-6,894,609,672.38

Finding the Fourth Proportional to 21,254,022,450.85, 31,885,511,178.33 and 6,894,609,672.38

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Solution

The fourth proportional to 21,254,022,450.85, 31,885,511,178.33 and 6,894,609,672.38 is: 10,343,366,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254,022,450.85 : 31,885,511,178.33 = 6,894,609,672.38 : x
  2. Step 2: Convert to fraction form
    21,254,022,450.85/31,885,511,178.33 = 6,894,609,672.38/x
  3. Step 3: Cross multiply
    21,254,022,450.85x = 31,885,511,178.33 × 6,894,609,672.38
  4. Step 4: Simplify right side
    21,254,022,450.85x = 219,838,153,778,894,635,008
  5. Step 5: Solve for x
    x = 219,838,153,778,894,635,008/21,254,022,450.85
  6. Step 6: Final answer
    x = 10,343,366,969.11

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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.