Home / 416,427,273.72-620,917,943.64-404,986,262.40

Finding the Fourth Proportional to 416,427,273.72, 620,917,943.64 and 404,986,262.40

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Solution

The fourth proportional to 416,427,273.72, 620,917,943.64 and 404,986,262.40 is: 603,858,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,427,273.72 : 620,917,943.64 = 404,986,262.40 : x
  2. Step 2: Convert to fraction form
    416,427,273.72/620,917,943.64 = 404,986,262.40/x
  3. Step 3: Cross multiply
    416,427,273.72x = 620,917,943.64 × 404,986,262.40
  4. Step 4: Simplify right side
    416,427,273.72x = 251,463,237,251,857,440
  5. Step 5: Solve for x
    x = 251,463,237,251,857,440/416,427,273.72
  6. Step 6: Final answer
    x = 603,858,712.24

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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.