Home / 478,694,176.12-717,035,706.73-303,727,147.95

Finding the Fourth Proportional to 478,694,176.12, 717,035,706.73 and 303,727,147.95

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Solution

The fourth proportional to 478,694,176.12, 717,035,706.73 and 303,727,147.95 is: 454,952,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,694,176.12 : 717,035,706.73 = 303,727,147.95 : x
  2. Step 2: Convert to fraction form
    478,694,176.12/717,035,706.73 = 303,727,147.95/x
  3. Step 3: Cross multiply
    478,694,176.12x = 717,035,706.73 × 303,727,147.95
  4. Step 4: Simplify right side
    478,694,176.12x = 217,783,210,183,415,520
  5. Step 5: Solve for x
    x = 217,783,210,183,415,520/478,694,176.12
  6. Step 6: Final answer
    x = 454,952,704.77

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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.