Home / 628,317,541.89-942,160,991.18-366,086,837.79

Finding the Fourth Proportional to 628,317,541.89, 942,160,991.18 and 366,086,837.79

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Solution

The fourth proportional to 628,317,541.89, 942,160,991.18 and 366,086,837.79 is: 548,946,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,317,541.89 : 942,160,991.18 = 366,086,837.79 : x
  2. Step 2: Convert to fraction form
    628,317,541.89/942,160,991.18 = 366,086,837.79/x
  3. Step 3: Cross multiply
    628,317,541.89x = 942,160,991.18 × 366,086,837.79
  4. Step 4: Simplify right side
    628,317,541.89x = 344,912,737,948,347,840
  5. Step 5: Solve for x
    x = 344,912,737,948,347,840/628,317,541.89
  6. Step 6: Final answer
    x = 548,946,535.71

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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.