Home / 347,964,334.47-479,745,021.11-285,008,506.83

Finding the Fourth Proportional to 347,964,334.47, 479,745,021.11 and 285,008,506.83

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Solution

The fourth proportional to 347,964,334.47, 479,745,021.11 and 285,008,506.83 is: 392,946,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,964,334.47 : 479,745,021.11 = 285,008,506.83 : x
  2. Step 2: Convert to fraction form
    347,964,334.47/479,745,021.11 = 285,008,506.83/x
  3. Step 3: Cross multiply
    347,964,334.47x = 479,745,021.11 × 285,008,506.83
  4. Step 4: Simplify right side
    347,964,334.47x = 136,731,412,124,262,880
  5. Step 5: Solve for x
    x = 136,731,412,124,262,880/347,964,334.47
  6. Step 6: Final answer
    x = 392,946,628.66

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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.