Home / 496,394,438.71-743,622,994.31-386,706,013.22

Finding the Fourth Proportional to 496,394,438.71, 743,622,994.31 and 386,706,013.22

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Solution

The fourth proportional to 496,394,438.71, 743,622,994.31 and 386,706,013.22 is: 579,304,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,394,438.71 : 743,622,994.31 = 386,706,013.22 : x
  2. Step 2: Convert to fraction form
    496,394,438.71/743,622,994.31 = 386,706,013.22/x
  3. Step 3: Cross multiply
    496,394,438.71x = 743,622,994.31 × 386,706,013.22
  4. Step 4: Simplify right side
    496,394,438.71x = 287,563,483,465,475,776
  5. Step 5: Solve for x
    x = 287,563,483,465,475,776/496,394,438.71
  6. Step 6: Final answer
    x = 579,304,401.98

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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.