Home / 7,794,468,271.20-11,691,702,406.80-1,978,377,967.20

Finding the Fourth Proportional to 7,794,468,271.20, 11,691,702,406.80 and 1,978,377,967.20

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Solution

The fourth proportional to 7,794,468,271.20, 11,691,702,406.80 and 1,978,377,967.20 is: 2,967,566,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794,468,271.20 : 11,691,702,406.80 = 1,978,377,967.20 : x
  2. Step 2: Convert to fraction form
    7,794,468,271.20/11,691,702,406.80 = 1,978,377,967.20/x
  3. Step 3: Cross multiply
    7,794,468,271.20x = 11,691,702,406.80 × 1,978,377,967.20
  4. Step 4: Simplify right side
    7,794,468,271.20x = 23,130,606,440,672,329,728
  5. Step 5: Solve for x
    x = 23,130,606,440,672,329,728/7,794,468,271.20
  6. Step 6: Final answer
    x = 2,967,566,950.80

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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.