Home / 484,655,826.32-726,728,647.80-331,345,726.64

Finding the Fourth Proportional to 484,655,826.32, 726,728,647.80 and 331,345,726.64

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Solution

The fourth proportional to 484,655,826.32, 726,728,647.80 and 331,345,726.64 is: 496,844,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,655,826.32 : 726,728,647.80 = 331,345,726.64 : x
  2. Step 2: Convert to fraction form
    484,655,826.32/726,728,647.80 = 331,345,726.64/x
  3. Step 3: Cross multiply
    484,655,826.32x = 726,728,647.80 × 331,345,726.64
  4. Step 4: Simplify right side
    484,655,826.32x = 240,798,431,875,395,616
  5. Step 5: Solve for x
    x = 240,798,431,875,395,616/484,655,826.32
  6. Step 6: Final answer
    x = 496,844,190.86

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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.