Home / 667,096,773.01-1,000,640,121.21-200,756,189.25

Finding the Fourth Proportional to 667,096,773.01, 1,000,640,121.21 and 200,756,189.25

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Solution

The fourth proportional to 667,096,773.01, 1,000,640,121.21 and 200,756,189.25 is: 301,132,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,096,773.01 : 1,000,640,121.21 = 200,756,189.25 : x
  2. Step 2: Convert to fraction form
    667,096,773.01/1,000,640,121.21 = 200,756,189.25/x
  3. Step 3: Cross multiply
    667,096,773.01x = 1,000,640,121.21 × 200,756,189.25
  4. Step 4: Simplify right side
    667,096,773.01x = 200,884,697,544,777,696
  5. Step 5: Solve for x
    x = 200,884,697,544,777,696/667,096,773.01
  6. Step 6: Final answer
    x = 301,132,767.65

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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.