Home / 481,142,125.82-663,976,409.90-261,125,551.82

Finding the Fourth Proportional to 481,142,125.82, 663,976,409.90 and 261,125,551.82

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Solution

The fourth proportional to 481,142,125.82, 663,976,409.90 and 261,125,551.82 is: 360,353,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,142,125.82 : 663,976,409.90 = 261,125,551.82 : x
  2. Step 2: Convert to fraction form
    481,142,125.82/663,976,409.90 = 261,125,551.82/x
  3. Step 3: Cross multiply
    481,142,125.82x = 663,976,409.90 × 261,125,551.82
  4. Step 4: Simplify right side
    481,142,125.82x = 173,381,206,430,954,304
  5. Step 5: Solve for x
    x = 173,381,206,430,954,304/481,142,125.82
  6. Step 6: Final answer
    x = 360,353,411.45

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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.