Home / 20,954,397,890.70-31,435,963,837.65-6,984,359,772.30

Finding the Fourth Proportional to 20,954,397,890.70, 31,435,963,837.65 and 6,984,359,772.30

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Solution

The fourth proportional to 20,954,397,890.70, 31,435,963,837.65 and 6,984,359,772.30 is: 10,477,995,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,397,890.70 : 31,435,963,837.65 = 6,984,359,772.30 : x
  2. Step 2: Convert to fraction form
    20,954,397,890.70/31,435,963,837.65 = 6,984,359,772.30/x
  3. Step 3: Cross multiply
    20,954,397,890.70x = 31,435,963,837.65 × 6,984,359,772.30
  4. Step 4: Simplify right side
    20,954,397,890.70x = 219,560,081,231,160,213,504
  5. Step 5: Solve for x
    x = 219,560,081,231,160,213,504/20,954,397,890.70
  6. Step 6: Final answer
    x = 10,477,995,234.05

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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.