Home / 1,301,420,656.20-1,795,296,427.38-831,027,399.24

Finding the Fourth Proportional to 1,301,420,656.20, 1,795,296,427.38 and 831,027,399.24

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Solution

The fourth proportional to 1,301,420,656.20, 1,795,296,427.38 and 831,027,399.24 is: 1,146,393,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,420,656.20 : 1,795,296,427.38 = 831,027,399.24 : x
  2. Step 2: Convert to fraction form
    1,301,420,656.20/1,795,296,427.38 = 831,027,399.24/x
  3. Step 3: Cross multiply
    1,301,420,656.20x = 1,795,296,427.38 × 831,027,399.24
  4. Step 4: Simplify right side
    1,301,420,656.20x = 1,491,940,520,910,465,024
  5. Step 5: Solve for x
    x = 1,491,940,520,910,465,024/1,301,420,656.20
  6. Step 6: Final answer
    x = 1,146,393,761.16

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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.