Home / 412,017,253.14-617,930,000.82-153,354,289.62

Finding the Fourth Proportional to 412,017,253.14, 617,930,000.82 and 153,354,289.62

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Solution

The fourth proportional to 412,017,253.14, 617,930,000.82 and 153,354,289.62 is: 229,995,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,017,253.14 : 617,930,000.82 = 153,354,289.62 : x
  2. Step 2: Convert to fraction form
    412,017,253.14/617,930,000.82 = 153,354,289.62/x
  3. Step 3: Cross multiply
    412,017,253.14x = 617,930,000.82 × 153,354,289.62
  4. Step 4: Simplify right side
    412,017,253.14x = 94,762,216,310,637,136
  5. Step 5: Solve for x
    x = 94,762,216,310,637,136/412,017,253.14
  6. Step 6: Final answer
    x = 229,995,747.97

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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.