Home / 769,234,202.28-1,061,597,072.96-434,737,638.40

Finding the Fourth Proportional to 769,234,202.28, 1,061,597,072.96 and 434,737,638.40

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Solution

The fourth proportional to 769,234,202.28, 1,061,597,072.96 and 434,737,638.40 is: 599,968,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,234,202.28 : 1,061,597,072.96 = 434,737,638.40 : x
  2. Step 2: Convert to fraction form
    769,234,202.28/1,061,597,072.96 = 434,737,638.40/x
  3. Step 3: Cross multiply
    769,234,202.28x = 1,061,597,072.96 × 434,737,638.40
  4. Step 4: Simplify right side
    769,234,202.28x = 461,516,204,430,982,912
  5. Step 5: Solve for x
    x = 461,516,204,430,982,912/769,234,202.28
  6. Step 6: Final answer
    x = 599,968,388.12

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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.