Home / 881,899,928.53-1,217,012,243.57-485,414,441.17

Finding the Fourth Proportional to 881,899,928.53, 1,217,012,243.57 and 485,414,441.17

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Solution

The fourth proportional to 881,899,928.53, 1,217,012,243.57 and 485,414,441.17 is: 669,866,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,899,928.53 : 1,217,012,243.57 = 485,414,441.17 : x
  2. Step 2: Convert to fraction form
    881,899,928.53/1,217,012,243.57 = 485,414,441.17/x
  3. Step 3: Cross multiply
    881,899,928.53x = 1,217,012,243.57 × 485,414,441.17
  4. Step 4: Simplify right side
    881,899,928.53x = 590,755,318,103,494,400
  5. Step 5: Solve for x
    x = 590,755,318,103,494,400/881,899,928.53
  6. Step 6: Final answer
    x = 669,866,612.97

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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.