Home / 506,257,174.80-698,744,176.56-308,082,520.44

Finding the Fourth Proportional to 506,257,174.80, 698,744,176.56 and 308,082,520.44

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Solution

The fourth proportional to 506,257,174.80, 698,744,176.56 and 308,082,520.44 is: 425,220,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,257,174.80 : 698,744,176.56 = 308,082,520.44 : x
  2. Step 2: Convert to fraction form
    506,257,174.80/698,744,176.56 = 308,082,520.44/x
  3. Step 3: Cross multiply
    506,257,174.80x = 698,744,176.56 × 308,082,520.44
  4. Step 4: Simplify right side
    506,257,174.80x = 215,270,867,057,377,152
  5. Step 5: Solve for x
    x = 215,270,867,057,377,152/506,257,174.80
  6. Step 6: Final answer
    x = 425,220,377.65

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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.