Home / 788,966,078.60-1,183,449,117.90-206,699,198.60

Finding the Fourth Proportional to 788,966,078.60, 1,183,449,117.90 and 206,699,198.60

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Solution

The fourth proportional to 788,966,078.60, 1,183,449,117.90 and 206,699,198.60 is: 310,048,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,966,078.60 : 1,183,449,117.90 = 206,699,198.60 : x
  2. Step 2: Convert to fraction form
    788,966,078.60/1,183,449,117.90 = 206,699,198.60/x
  3. Step 3: Cross multiply
    788,966,078.60x = 1,183,449,117.90 × 206,699,198.60
  4. Step 4: Simplify right side
    788,966,078.60x = 244,617,984,253,806,912
  5. Step 5: Solve for x
    x = 244,617,984,253,806,912/788,966,078.60
  6. Step 6: Final answer
    x = 310,048,797.90

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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.