Home / 481,757,927.41-664,825,938.86-272,914,069.78

Finding the Fourth Proportional to 481,757,927.41, 664,825,938.86 and 272,914,069.78

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Solution

The fourth proportional to 481,757,927.41, 664,825,938.86 and 272,914,069.78 is: 376,621,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,757,927.41 : 664,825,938.86 = 272,914,069.78 : x
  2. Step 2: Convert to fraction form
    481,757,927.41/664,825,938.86 = 272,914,069.78/x
  3. Step 3: Cross multiply
    481,757,927.41x = 664,825,938.86 × 272,914,069.78
  4. Step 4: Simplify right side
    481,757,927.41x = 181,440,352,669,592,032
  5. Step 5: Solve for x
    x = 181,440,352,669,592,032/481,757,927.41
  6. Step 6: Final answer
    x = 376,621,415.75

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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.