Home / 1,204,224,049.60-1,806,336,074.40-438,219,620.80

Finding the Fourth Proportional to 1,204,224,049.60, 1,806,336,074.40 and 438,219,620.80

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Solution

The fourth proportional to 1,204,224,049.60, 1,806,336,074.40 and 438,219,620.80 is: 657,329,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,224,049.60 : 1,806,336,074.40 = 438,219,620.80 : x
  2. Step 2: Convert to fraction form
    1,204,224,049.60/1,806,336,074.40 = 438,219,620.80/x
  3. Step 3: Cross multiply
    1,204,224,049.60x = 1,806,336,074.40 × 438,219,620.80
  4. Step 4: Simplify right side
    1,204,224,049.60x = 791,571,909,560,928,640
  5. Step 5: Solve for x
    x = 791,571,909,560,928,640/1,204,224,049.60
  6. Step 6: Final answer
    x = 657,329,431.20

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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.