Home / 379,665,212.12-569,191,346.20-349,019,648.42

Finding the Fourth Proportional to 379,665,212.12, 569,191,346.20 and 349,019,648.42

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Solution

The fourth proportional to 379,665,212.12, 569,191,346.20 and 349,019,648.42 is: 523,247,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,665,212.12 : 569,191,346.20 = 349,019,648.42 : x
  2. Step 2: Convert to fraction form
    379,665,212.12/569,191,346.20 = 349,019,648.42/x
  3. Step 3: Cross multiply
    379,665,212.12x = 569,191,346.20 × 349,019,648.42
  4. Step 4: Simplify right side
    379,665,212.12x = 198,658,963,532,685,440
  5. Step 5: Solve for x
    x = 198,658,963,532,685,440/379,665,212.12
  6. Step 6: Final answer
    x = 523,247,738.25

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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.