Home / 982,758,481.87-1,356,240,173.78-581,216,439.89

Finding the Fourth Proportional to 982,758,481.87, 1,356,240,173.78 and 581,216,439.89

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Solution

The fourth proportional to 982,758,481.87, 1,356,240,173.78 and 581,216,439.89 is: 802,098,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,758,481.87 : 1,356,240,173.78 = 581,216,439.89 : x
  2. Step 2: Convert to fraction form
    982,758,481.87/1,356,240,173.78 = 581,216,439.89/x
  3. Step 3: Cross multiply
    982,758,481.87x = 1,356,240,173.78 × 581,216,439.89
  4. Step 4: Simplify right side
    982,758,481.87x = 788,269,085,446,176,000
  5. Step 5: Solve for x
    x = 788,269,085,446,176,000/982,758,481.87
  6. Step 6: Final answer
    x = 802,098,480.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.