Home / 3,449,664,006.60-5,174,496,009.90-1,378,361,555.40

Finding the Fourth Proportional to 3,449,664,006.60, 5,174,496,009.90 and 1,378,361,555.40

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Solution

The fourth proportional to 3,449,664,006.60, 5,174,496,009.90 and 1,378,361,555.40 is: 2,067,542,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,664,006.60 : 5,174,496,009.90 = 1,378,361,555.40 : x
  2. Step 2: Convert to fraction form
    3,449,664,006.60/5,174,496,009.90 = 1,378,361,555.40/x
  3. Step 3: Cross multiply
    3,449,664,006.60x = 5,174,496,009.90 × 1,378,361,555.40
  4. Step 4: Simplify right side
    3,449,664,006.60x = 7,132,326,368,616,857,600
  5. Step 5: Solve for x
    x = 7,132,326,368,616,857,600/3,449,664,006.60
  6. Step 6: Final answer
    x = 2,067,542,333.10

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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.