Home / 1,082,831,142.78-1,494,308,871.27-587,794,186.62

Finding the Fourth Proportional to 1,082,831,142.78, 1,494,308,871.27 and 587,794,186.62

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Solution

The fourth proportional to 1,082,831,142.78, 1,494,308,871.27 and 587,794,186.62 is: 811,157,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,831,142.78 : 1,494,308,871.27 = 587,794,186.62 : x
  2. Step 2: Convert to fraction form
    1,082,831,142.78/1,494,308,871.27 = 587,794,186.62/x
  3. Step 3: Cross multiply
    1,082,831,142.78x = 1,494,308,871.27 × 587,794,186.62
  4. Step 4: Simplify right side
    1,082,831,142.78x = 878,346,067,547,199,872
  5. Step 5: Solve for x
    x = 878,346,067,547,199,872/1,082,831,142.78
  6. Step 6: Final answer
    x = 811,157,005.78

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Double scale
Find fourth proportional to 1,082,831,143.78, 1,494,308,872.65 and 587,794,187.62
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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.