Home / 788,975,999.70-1,183,463,999.55-329,244,105.30

Finding the Fourth Proportional to 788,975,999.70, 1,183,463,999.55 and 329,244,105.30

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Solution

The fourth proportional to 788,975,999.70, 1,183,463,999.55 and 329,244,105.30 is: 493,866,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,975,999.70 : 1,183,463,999.55 = 329,244,105.30 : x
  2. Step 2: Convert to fraction form
    788,975,999.70/1,183,463,999.55 = 329,244,105.30/x
  3. Step 3: Cross multiply
    788,975,999.70x = 1,183,463,999.55 × 329,244,105.30
  4. Step 4: Simplify right side
    788,975,999.70x = 389,648,545,686,599,360
  5. Step 5: Solve for x
    x = 389,648,545,686,599,360/788,975,999.70
  6. Step 6: Final answer
    x = 493,866,157.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.