Home / 1,180,902,199.14-1,771,401,709.17-405,081,396.54

Finding the Fourth Proportional to 1,180,902,199.14, 1,771,401,709.17 and 405,081,396.54

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Solution

The fourth proportional to 1,180,902,199.14, 1,771,401,709.17 and 405,081,396.54 is: 607,638,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,902,199.14 : 1,771,401,709.17 = 405,081,396.54 : x
  2. Step 2: Convert to fraction form
    1,180,902,199.14/1,771,401,709.17 = 405,081,396.54/x
  3. Step 3: Cross multiply
    1,180,902,199.14x = 1,771,401,709.17 × 405,081,396.54
  4. Step 4: Simplify right side
    1,180,902,199.14x = 717,561,878,183,926,656
  5. Step 5: Solve for x
    x = 717,561,878,183,926,656/1,180,902,199.14
  6. Step 6: Final answer
    x = 607,638,700.91

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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.