Home / 410,454,297.42-616,663,657.22-263,190,380.69

Finding the Fourth Proportional to 410,454,297.42, 616,663,657.22 and 263,190,380.69

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Solution

The fourth proportional to 410,454,297.42, 616,663,657.22 and 263,190,380.69 is: 395,415,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,454,297.42 : 616,663,657.22 = 263,190,380.69 : x
  2. Step 2: Convert to fraction form
    410,454,297.42/616,663,657.22 = 263,190,380.69/x
  3. Step 3: Cross multiply
    410,454,297.42x = 616,663,657.22 × 263,190,380.69
  4. Step 4: Simplify right side
    410,454,297.42x = 162,299,942,697,020,192
  5. Step 5: Solve for x
    x = 162,299,942,697,020,192/410,454,297.42
  6. Step 6: Final answer
    x = 395,415,381.73

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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.