Home / 379,465,670.33-523,664,031.23-220,733,880.09

Finding the Fourth Proportional to 379,465,670.33, 523,664,031.23 and 220,733,880.09

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Solution

The fourth proportional to 379,465,670.33, 523,664,031.23 and 220,733,880.09 is: 304,613,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,465,670.33 : 523,664,031.23 = 220,733,880.09 : x
  2. Step 2: Convert to fraction form
    379,465,670.33/523,664,031.23 = 220,733,880.09/x
  3. Step 3: Cross multiply
    379,465,670.33x = 523,664,031.23 × 220,733,880.09
  4. Step 4: Simplify right side
    379,465,670.33x = 115,590,393,477,520,672
  5. Step 5: Solve for x
    x = 115,590,393,477,520,672/379,465,670.33
  6. Step 6: Final answer
    x = 304,613,572.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.