Home / 412,323,270.32-617,139,087.24-303,119,510.96

Finding the Fourth Proportional to 412,323,270.32, 617,139,087.24 and 303,119,510.96

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Solution

The fourth proportional to 412,323,270.32, 617,139,087.24 and 303,119,510.96 is: 453,689,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,323,270.32 : 617,139,087.24 = 303,119,510.96 : x
  2. Step 2: Convert to fraction form
    412,323,270.32/617,139,087.24 = 303,119,510.96/x
  3. Step 3: Cross multiply
    412,323,270.32x = 617,139,087.24 × 303,119,510.96
  4. Step 4: Simplify right side
    412,323,270.32x = 187,066,898,318,489,568
  5. Step 5: Solve for x
    x = 187,066,898,318,489,568/412,323,270.32
  6. Step 6: Final answer
    x = 453,689,887.97

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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.