Home / 71,879,323,309,808-99,185,097,860,198-40,239,747,509,476

Finding the Fourth Proportional to 71,879,323,309,808, 99,185,097,860,198 and 40,239,747,509,476

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Solution

The fourth proportional to 71,879,323,309,808, 99,185,097,860,198 and 40,239,747,509,476 is: 55,526,166,786,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,879,323,309,808 : 99,185,097,860,198 = 40,239,747,509,476 : x
  2. Step 2: Convert to fraction form
    71,879,323,309,808/99,185,097,860,198 = 40,239,747,509,476/x
  3. Step 3: Cross multiply
    71,879,323,309,808x = 99,185,097,860,198 × 40,239,747,509,476
  4. Step 4: Simplify right side
    71,879,323,309,808x = 3,991,183,294,597,036,062,237,786,112
  5. Step 5: Solve for x
    x = 3,991,183,294,597,036,062,237,786,112/71,879,323,309,808
  6. Step 6: Final answer
    x = 55,526,166,786,442.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.