Home / 347,964,324.74-479,745,007.65-285,008,497.10

Finding the Fourth Proportional to 347,964,324.74, 479,745,007.65 and 285,008,497.10

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Solution

The fourth proportional to 347,964,324.74, 479,745,007.65 and 285,008,497.10 is: 392,946,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,964,324.74 : 479,745,007.65 = 285,008,497.10 : x
  2. Step 2: Convert to fraction form
    347,964,324.74/479,745,007.65 = 285,008,497.10/x
  3. Step 3: Cross multiply
    347,964,324.74x = 479,745,007.65 × 285,008,497.10
  4. Step 4: Simplify right side
    347,964,324.74x = 136,731,403,621,554,512
  5. Step 5: Solve for x
    x = 136,731,403,621,554,512/347,964,324.74
  6. Step 6: Final answer
    x = 392,946,615.21

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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.