Home / 379,665,211.99-569,191,346.01-349,019,648.30

Finding the Fourth Proportional to 379,665,211.99, 569,191,346.01 and 349,019,648.30

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Solution

The fourth proportional to 379,665,211.99, 569,191,346.01 and 349,019,648.30 is: 523,247,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,665,211.99 : 569,191,346.01 = 349,019,648.30 : x
  2. Step 2: Convert to fraction form
    379,665,211.99/569,191,346.01 = 349,019,648.30/x
  3. Step 3: Cross multiply
    379,665,211.99x = 569,191,346.01 × 349,019,648.30
  4. Step 4: Simplify right side
    379,665,211.99x = 198,658,963,396,967,872
  5. Step 5: Solve for x
    x = 198,658,963,396,967,872/379,665,211.99
  6. Step 6: Final answer
    x = 523,247,738.07

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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.