Home / 2,114,100,976.40-3,172,285,205.40-887,393,430.80

Finding the Fourth Proportional to 2,114,100,976.40, 3,172,285,205.40 and 887,393,430.80

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Solution

The fourth proportional to 2,114,100,976.40, 3,172,285,205.40 and 887,393,430.80 is: 1,331,566,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,100,976.40 : 3,172,285,205.40 = 887,393,430.80 : x
  2. Step 2: Convert to fraction form
    2,114,100,976.40/3,172,285,205.40 = 887,393,430.80/x
  3. Step 3: Cross multiply
    2,114,100,976.40x = 3,172,285,205.40 × 887,393,430.80
  4. Step 4: Simplify right side
    2,114,100,976.40x = 2,815,065,051,895,988,736
  5. Step 5: Solve for x
    x = 2,815,065,051,895,988,736/2,114,100,976.40
  6. Step 6: Final answer
    x = 1,331,566,033.66

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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.