Home / 1,108,996,716,319.90-1,530,414,307,820.10-621,259,087,296.75

Finding the Fourth Proportional to 1,108,996,716,319.90, 1,530,414,307,820.10 and 621,259,087,296.75

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Solution

The fourth proportional to 1,108,996,716,319.90, 1,530,414,307,820.10 and 621,259,087,296.75 is: 857,336,890,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,996,716,319.90 : 1,530,414,307,820.10 = 621,259,087,296.75 : x
  2. Step 2: Convert to fraction form
    1,108,996,716,319.90/1,530,414,307,820.10 = 621,259,087,296.75/x
  3. Step 3: Cross multiply
    1,108,996,716,319.90x = 1,530,414,307,820.10 × 621,259,087,296.75
  4. Step 4: Simplify right side
    1,108,996,716,319.90x = 950,783,796,062,202,772,848,640
  5. Step 5: Solve for x
    x = 950,783,796,062,202,772,848,640/1,108,996,716,319.90
  6. Step 6: Final answer
    x = 857,336,890,245.53

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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.