Home / 6,389,040,620.07-9,583,756,169.38-2,191,934,561.83

Finding the Fourth Proportional to 6,389,040,620.07, 9,583,756,169.38 and 2,191,934,561.83

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Solution

The fourth proportional to 6,389,040,620.07, 9,583,756,169.38 and 2,191,934,561.83 is: 3,287,968,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,040,620.07 : 9,583,756,169.38 = 2,191,934,561.83 : x
  2. Step 2: Convert to fraction form
    6,389,040,620.07/9,583,756,169.38 = 2,191,934,561.83/x
  3. Step 3: Cross multiply
    6,389,040,620.07x = 9,583,756,169.38 × 2,191,934,561.83
  4. Step 4: Simplify right side
    6,389,040,620.07x = 21,006,966,379,762,110,464
  5. Step 5: Solve for x
    x = 21,006,966,379,762,110,464/6,389,040,620.07
  6. Step 6: Final answer
    x = 3,287,968,824.89

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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.