Home / 379,013,369.85-568,024,721.15-274,321,220.67

Finding the Fourth Proportional to 379,013,369.85, 568,024,721.15 and 274,321,220.67

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Solution

The fourth proportional to 379,013,369.85, 568,024,721.15 and 274,321,220.67 is: 411,123,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,013,369.85 : 568,024,721.15 = 274,321,220.67 : x
  2. Step 2: Convert to fraction form
    379,013,369.85/568,024,721.15 = 274,321,220.67/x
  3. Step 3: Cross multiply
    379,013,369.85x = 568,024,721.15 × 274,321,220.67
  4. Step 4: Simplify right side
    379,013,369.85x = 155,821,234,875,232,768
  5. Step 5: Solve for x
    x = 155,821,234,875,232,768/379,013,369.85
  6. Step 6: Final answer
    x = 411,123,319.84

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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.