Home / 412,151,163.20-617,695,903.20-315,936,123.20

Finding the Fourth Proportional to 412,151,163.20, 617,695,903.20 and 315,936,123.20

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Solution

The fourth proportional to 412,151,163.20, 617,695,903.20 and 315,936,123.20 is: 473,497,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,151,163.20 : 617,695,903.20 = 315,936,123.20 : x
  2. Step 2: Convert to fraction form
    412,151,163.20/617,695,903.20 = 315,936,123.20/x
  3. Step 3: Cross multiply
    412,151,163.20x = 617,695,903.20 × 315,936,123.20
  4. Step 4: Simplify right side
    412,151,163.20x = 195,152,448,973,530,496
  5. Step 5: Solve for x
    x = 195,152,448,973,530,496/412,151,163.20
  6. Step 6: Final answer
    x = 473,497,266.05

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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.