Home / 385,397,234.06-578,003,288.36-177,936,315.90

Finding the Fourth Proportional to 385,397,234.06, 578,003,288.36 and 177,936,315.90

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Solution

The fourth proportional to 385,397,234.06, 578,003,288.36 and 177,936,315.90 is: 266,861,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,397,234.06 : 578,003,288.36 = 177,936,315.90 : x
  2. Step 2: Convert to fraction form
    385,397,234.06/578,003,288.36 = 177,936,315.90/x
  3. Step 3: Cross multiply
    385,397,234.06x = 578,003,288.36 × 177,936,315.90
  4. Step 4: Simplify right side
    385,397,234.06x = 102,847,775,708,863,760
  5. Step 5: Solve for x
    x = 102,847,775,708,863,760/385,397,234.06
  6. Step 6: Final answer
    x = 266,861,738.02

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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.