Home / 505,237,304.26-697,228,560.42-285,220,730.26

Finding the Fourth Proportional to 505,237,304.26, 697,228,560.42 and 285,220,730.26

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Solution

The fourth proportional to 505,237,304.26, 697,228,560.42 and 285,220,730.26 is: 393,605,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,237,304.26 : 697,228,560.42 = 285,220,730.26 : x
  2. Step 2: Convert to fraction form
    505,237,304.26/697,228,560.42 = 285,220,730.26/x
  3. Step 3: Cross multiply
    505,237,304.26x = 697,228,560.42 × 285,220,730.26
  4. Step 4: Simplify right side
    505,237,304.26x = 198,864,039,161,120,928
  5. Step 5: Solve for x
    x = 198,864,039,161,120,928/505,237,304.26
  6. Step 6: Final answer
    x = 393,605,217.75

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