Home / 2,205,662,648.70-3,308,493,973.05-2,190,357,147.90

Finding the Fourth Proportional to 2,205,662,648.70, 3,308,493,973.05 and 2,190,357,147.90

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Solution

The fourth proportional to 2,205,662,648.70, 3,308,493,973.05 and 2,190,357,147.90 is: 3,285,535,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,662,648.70 : 3,308,493,973.05 = 2,190,357,147.90 : x
  2. Step 2: Convert to fraction form
    2,205,662,648.70/3,308,493,973.05 = 2,190,357,147.90/x
  3. Step 3: Cross multiply
    2,205,662,648.70x = 3,308,493,973.05 × 2,190,357,147.90
  4. Step 4: Simplify right side
    2,205,662,648.70x = 7,246,783,422,654,138,368
  5. Step 5: Solve for x
    x = 7,246,783,422,654,138,368/2,205,662,648.70
  6. Step 6: Final answer
    x = 3,285,535,721.85

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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.