Home / 6,389,040,763.70-9,583,756,384.36-2,191,934,704.80

Finding the Fourth Proportional to 6,389,040,763.70, 9,583,756,384.36 and 2,191,934,704.80

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Solution

The fourth proportional to 6,389,040,763.70, 9,583,756,384.36 and 2,191,934,704.80 is: 3,287,969,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,040,763.70 : 9,583,756,384.36 = 2,191,934,704.80 : x
  2. Step 2: Convert to fraction form
    6,389,040,763.70/9,583,756,384.36 = 2,191,934,704.80/x
  3. Step 3: Cross multiply
    6,389,040,763.70x = 9,583,756,384.36 × 2,191,934,704.80
  4. Step 4: Simplify right side
    6,389,040,763.70x = 21,006,968,221,227,253,760
  5. Step 5: Solve for x
    x = 21,006,968,221,227,253,760/6,389,040,763.70
  6. Step 6: Final answer
    x = 3,287,969,039.20

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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.