Home / 347,964,305.22-479,744,980.74-285,008,477.58

Finding the Fourth Proportional to 347,964,305.22, 479,744,980.74 and 285,008,477.58

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Solution

The fourth proportional to 347,964,305.22, 479,744,980.74 and 285,008,477.58 is: 392,946,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,964,305.22 : 479,744,980.74 = 285,008,477.58 : x
  2. Step 2: Convert to fraction form
    347,964,305.22/479,744,980.74 = 285,008,477.58/x
  3. Step 3: Cross multiply
    347,964,305.22x = 479,744,980.74 × 285,008,477.58
  4. Step 4: Simplify right side
    347,964,305.22x = 136,731,386,587,353,824
  5. Step 5: Solve for x
    x = 136,731,386,587,353,824/347,964,305.22
  6. Step 6: Final answer
    x = 392,946,588.30

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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.