Home / 416,427,336.62-620,918,037.39-404,986,325.41

Finding the Fourth Proportional to 416,427,336.62, 620,918,037.39 and 404,986,325.41

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Solution

The fourth proportional to 416,427,336.62, 620,918,037.39 and 404,986,325.41 is: 603,858,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,427,336.62 : 620,918,037.39 = 404,986,325.41 : x
  2. Step 2: Convert to fraction form
    416,427,336.62/620,918,037.39 = 404,986,325.41/x
  3. Step 3: Cross multiply
    416,427,336.62x = 620,918,037.39 × 404,986,325.41
  4. Step 4: Simplify right side
    416,427,336.62x = 251,463,314,341,812,800
  5. Step 5: Solve for x
    x = 251,463,314,341,812,800/416,427,336.62
  6. Step 6: Final answer
    x = 603,858,806.16

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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.