Home / 1,108,266,515.80-1,662,658,481.22-321,336,629.08

Finding the Fourth Proportional to 1,108,266,515.80, 1,662,658,481.22 and 321,336,629.08

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Solution

The fourth proportional to 1,108,266,515.80, 1,662,658,481.22 and 321,336,629.08 is: 482,079,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,266,515.80 : 1,662,658,481.22 = 321,336,629.08 : x
  2. Step 2: Convert to fraction form
    1,108,266,515.80/1,662,658,481.22 = 321,336,629.08/x
  3. Step 3: Cross multiply
    1,108,266,515.80x = 1,662,658,481.22 × 321,336,629.08
  4. Step 4: Simplify right side
    1,108,266,515.80x = 534,273,071,666,507,264
  5. Step 5: Solve for x
    x = 534,273,071,666,507,264/1,108,266,515.80
  6. Step 6: Final answer
    x = 482,079,954.64

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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.