Home / 497,135,140.70-745,917,747.82-266,835,183.35

Finding the Fourth Proportional to 497,135,140.70, 745,917,747.82 and 266,835,183.35

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Solution

The fourth proportional to 497,135,140.70, 745,917,747.82 and 266,835,183.35 is: 400,368,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,135,140.70 : 745,917,747.82 = 266,835,183.35 : x
  2. Step 2: Convert to fraction form
    497,135,140.70/745,917,747.82 = 266,835,183.35/x
  3. Step 3: Cross multiply
    497,135,140.70x = 745,917,747.82 × 266,835,183.35
  4. Step 4: Simplify right side
    497,135,140.70x = 199,037,098,999,172,096
  5. Step 5: Solve for x
    x = 199,037,098,999,172,096/497,135,140.70
  6. Step 6: Final answer
    x = 400,368,195.10

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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.