Home / 831,619,757.84-1,147,451,792.58-492,359,774.88

Finding the Fourth Proportional to 831,619,757.84, 1,147,451,792.58 and 492,359,774.88

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Solution

The fourth proportional to 831,619,757.84, 1,147,451,792.58 and 492,359,774.88 is: 679,347,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,619,757.84 : 1,147,451,792.58 = 492,359,774.88 : x
  2. Step 2: Convert to fraction form
    831,619,757.84/1,147,451,792.58 = 492,359,774.88/x
  3. Step 3: Cross multiply
    831,619,757.84x = 1,147,451,792.58 × 492,359,774.88
  4. Step 4: Simplify right side
    831,619,757.84x = 564,959,106,284,644,160
  5. Step 5: Solve for x
    x = 564,959,106,284,644,160/831,619,757.84
  6. Step 6: Final answer
    x = 679,347,864.17

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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.