Home / 3,190,357,083.79-4,786,247,100.45-979,789,887.05

Finding the Fourth Proportional to 3,190,357,083.79, 4,786,247,100.45 and 979,789,887.05

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Solution

The fourth proportional to 3,190,357,083.79, 4,786,247,100.45 and 979,789,887.05 is: 1,469,903,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,357,083.79 : 4,786,247,100.45 = 979,789,887.05 : x
  2. Step 2: Convert to fraction form
    3,190,357,083.79/4,786,247,100.45 = 979,789,887.05/x
  3. Step 3: Cross multiply
    3,190,357,083.79x = 4,786,247,100.45 × 979,789,887.05
  4. Step 4: Simplify right side
    3,190,357,083.79x = 4,689,516,505,943,294,976
  5. Step 5: Solve for x
    x = 4,689,516,505,943,294,976/3,190,357,083.79
  6. Step 6: Final answer
    x = 1,469,903,331.44

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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.