Home / 472,530,485.10-708,795,727.65-306,083,163.90

Finding the Fourth Proportional to 472,530,485.10, 708,795,727.65 and 306,083,163.90

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Solution

The fourth proportional to 472,530,485.10, 708,795,727.65 and 306,083,163.90 is: 459,124,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,530,485.10 : 708,795,727.65 = 306,083,163.90 : x
  2. Step 2: Convert to fraction form
    472,530,485.10/708,795,727.65 = 306,083,163.90/x
  3. Step 3: Cross multiply
    472,530,485.10x = 708,795,727.65 × 306,083,163.90
  4. Step 4: Simplify right side
    472,530,485.10x = 216,950,438,877,914,688
  5. Step 5: Solve for x
    x = 216,950,438,877,914,688/472,530,485.10
  6. Step 6: Final answer
    x = 459,124,745.85

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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.