Home / 8,129,013,792.66-12,192,066,137.16-5,172,511,150.44

Finding the Fourth Proportional to 8,129,013,792.66, 12,192,066,137.16 and 5,172,511,150.44

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Solution

The fourth proportional to 8,129,013,792.66, 12,192,066,137.16 and 5,172,511,150.44 is: 7,757,841,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,013,792.66 : 12,192,066,137.16 = 5,172,511,150.44 : x
  2. Step 2: Convert to fraction form
    8,129,013,792.66/12,192,066,137.16 = 5,172,511,150.44/x
  3. Step 3: Cross multiply
    8,129,013,792.66x = 12,192,066,137.16 × 5,172,511,150.44
  4. Step 4: Simplify right side
    8,129,013,792.66x = 63,063,598,041,362,030,592
  5. Step 5: Solve for x
    x = 63,063,598,041,362,030,592/8,129,013,792.66
  6. Step 6: Final answer
    x = 7,757,841,190.81

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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.