Home / 472,393,314.70-708,589,972.05-416,910,874.30

Finding the Fourth Proportional to 472,393,314.70, 708,589,972.05 and 416,910,874.30

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Solution

The fourth proportional to 472,393,314.70, 708,589,972.05 and 416,910,874.30 is: 625,366,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,314.70 : 708,589,972.05 = 416,910,874.30 : x
  2. Step 2: Convert to fraction form
    472,393,314.70/708,589,972.05 = 416,910,874.30/x
  3. Step 3: Cross multiply
    472,393,314.70x = 708,589,972.05 × 416,910,874.30
  4. Step 4: Simplify right side
    472,393,314.70x = 295,418,864,767,578,048
  5. Step 5: Solve for x
    x = 295,418,864,767,578,048/472,393,314.70
  6. Step 6: Final answer
    x = 625,366,311.45

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Similar ratio
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1.5x scale

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.