Home / 481,071,361.18-663,878,478.48-261,054,787.18

Finding the Fourth Proportional to 481,071,361.18, 663,878,478.48 and 261,054,787.18

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Solution

The fourth proportional to 481,071,361.18, 663,878,478.48 and 261,054,787.18 is: 360,255,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,361.18 : 663,878,478.48 = 261,054,787.18 : x
  2. Step 2: Convert to fraction form
    481,071,361.18/663,878,478.48 = 261,054,787.18/x
  3. Step 3: Cross multiply
    481,071,361.18x = 663,878,478.48 × 261,054,787.18
  4. Step 4: Simplify right side
    481,071,361.18x = 173,308,654,912,978,624
  5. Step 5: Solve for x
    x = 173,308,654,912,978,624/481,071,361.18
  6. Step 6: Final answer
    x = 360,255,606.34

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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.