Home / 472,393,289.70-708,589,934.55-416,910,849.30

Finding the Fourth Proportional to 472,393,289.70, 708,589,934.55 and 416,910,849.30

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Solution

The fourth proportional to 472,393,289.70, 708,589,934.55 and 416,910,849.30 is: 625,366,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,289.70 : 708,589,934.55 = 416,910,849.30 : x
  2. Step 2: Convert to fraction form
    472,393,289.70/708,589,934.55 = 416,910,849.30/x
  3. Step 3: Cross multiply
    472,393,289.70x = 708,589,934.55 × 416,910,849.30
  4. Step 4: Simplify right side
    472,393,289.70x = 295,418,831,418,671,872
  5. Step 5: Solve for x
    x = 295,418,831,418,671,872/472,393,289.70
  6. Step 6: Final answer
    x = 625,366,273.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.