Home / 416,427,336.06-620,918,036.55-404,986,324.86

Finding the Fourth Proportional to 416,427,336.06, 620,918,036.55 and 404,986,324.86

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Solution

The fourth proportional to 416,427,336.06, 620,918,036.55 and 404,986,324.86 is: 603,858,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,427,336.06 : 620,918,036.55 = 404,986,324.86 : x
  2. Step 2: Convert to fraction form
    416,427,336.06/620,918,036.55 = 404,986,324.86/x
  3. Step 3: Cross multiply
    416,427,336.06x = 620,918,036.55 × 404,986,324.86
  4. Step 4: Simplify right side
    416,427,336.06x = 251,463,313,661,671,648
  5. Step 5: Solve for x
    x = 251,463,313,661,671,648/416,427,336.06
  6. Step 6: Final answer
    x = 603,858,805.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.