Home / 416,427,272.21-620,917,941.41-404,986,260.89

Finding the Fourth Proportional to 416,427,272.21, 620,917,941.41 and 404,986,260.89

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Solution

The fourth proportional to 416,427,272.21, 620,917,941.41 and 404,986,260.89 is: 603,858,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,427,272.21 : 620,917,941.41 = 404,986,260.89 : x
  2. Step 2: Convert to fraction form
    416,427,272.21/620,917,941.41 = 404,986,260.89/x
  3. Step 3: Cross multiply
    416,427,272.21x = 620,917,941.41 × 404,986,260.89
  4. Step 4: Simplify right side
    416,427,272.21x = 251,463,235,410,679,328
  5. Step 5: Solve for x
    x = 251,463,235,410,679,328/416,427,272.21
  6. Step 6: Final answer
    x = 603,858,710.01

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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.