Home / 698,091,172.98-963,372,462.57-384,836,622.18

Finding the Fourth Proportional to 698,091,172.98, 963,372,462.57 and 384,836,622.18

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Solution

The fourth proportional to 698,091,172.98, 963,372,462.57 and 384,836,622.18 is: 531,078,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,091,172.98 : 963,372,462.57 = 384,836,622.18 : x
  2. Step 2: Convert to fraction form
    698,091,172.98/963,372,462.57 = 384,836,622.18/x
  3. Step 3: Cross multiply
    698,091,172.98x = 963,372,462.57 × 384,836,622.18
  4. Step 4: Simplify right side
    698,091,172.98x = 370,741,004,396,667,328
  5. Step 5: Solve for x
    x = 370,741,004,396,667,328/698,091,172.98
  6. Step 6: Final answer
    x = 531,078,201.17

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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.