Home / 385,397,240.04-578,003,297.36-177,936,321.92

Finding the Fourth Proportional to 385,397,240.04, 578,003,297.36 and 177,936,321.92

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Solution

The fourth proportional to 385,397,240.04, 578,003,297.36 and 177,936,321.92 is: 266,861,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,397,240.04 : 578,003,297.36 = 177,936,321.92 : x
  2. Step 2: Convert to fraction form
    385,397,240.04/578,003,297.36 = 177,936,321.92/x
  3. Step 3: Cross multiply
    385,397,240.04x = 578,003,297.36 × 177,936,321.92
  4. Step 4: Simplify right side
    385,397,240.04x = 102,847,780,786,090,752
  5. Step 5: Solve for x
    x = 102,847,780,786,090,752/385,397,240.04
  6. Step 6: Final answer
    x = 266,861,747.05

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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.