Home / 1,082,831,145.78-1,494,308,875.41-587,794,189.62

Finding the Fourth Proportional to 1,082,831,145.78, 1,494,308,875.41 and 587,794,189.62

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Solution

The fourth proportional to 1,082,831,145.78, 1,494,308,875.41 and 587,794,189.62 is: 811,157,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,831,145.78 : 1,494,308,875.41 = 587,794,189.62 : x
  2. Step 2: Convert to fraction form
    1,082,831,145.78/1,494,308,875.41 = 587,794,189.62/x
  3. Step 3: Cross multiply
    1,082,831,145.78x = 1,494,308,875.41 × 587,794,189.62
  4. Step 4: Simplify right side
    1,082,831,145.78x = 878,346,074,463,594,496
  5. Step 5: Solve for x
    x = 878,346,074,463,594,496/1,082,831,145.78
  6. Step 6: Final answer
    x = 811,157,009.92

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Double scale
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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.