Home / 850,993,971.78-1,276,529,191.29-260,740,968.06

Finding the Fourth Proportional to 850,993,971.78, 1,276,529,191.29 and 260,740,968.06

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Solution

The fourth proportional to 850,993,971.78, 1,276,529,191.29 and 260,740,968.06 is: 391,123,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,993,971.78 : 1,276,529,191.29 = 260,740,968.06 : x
  2. Step 2: Convert to fraction form
    850,993,971.78/1,276,529,191.29 = 260,740,968.06/x
  3. Step 3: Cross multiply
    850,993,971.78x = 1,276,529,191.29 × 260,740,968.06
  4. Step 4: Simplify right side
    850,993,971.78x = 332,843,457,093,803,520
  5. Step 5: Solve for x
    x = 332,843,457,093,803,520/850,993,971.78
  6. Step 6: Final answer
    x = 391,123,166.71

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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.