Home / 722,237,939.16-1,083,015,398.16-279,787,850.52

Finding the Fourth Proportional to 722,237,939.16, 1,083,015,398.16 and 279,787,850.52

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Solution

The fourth proportional to 722,237,939.16, 1,083,015,398.16 and 279,787,850.52 is: 419,549,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,237,939.16 : 1,083,015,398.16 = 279,787,850.52 : x
  2. Step 2: Convert to fraction form
    722,237,939.16/1,083,015,398.16 = 279,787,850.52/x
  3. Step 3: Cross multiply
    722,237,939.16x = 1,083,015,398.16 × 279,787,850.52
  4. Step 4: Simplify right side
    722,237,939.16x = 303,014,550,331,248,384
  5. Step 5: Solve for x
    x = 303,014,550,331,248,384/722,237,939.16
  6. Step 6: Final answer
    x = 419,549,477.95

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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.