Home / 347,964,312.22-479,744,990.40-285,008,484.58

Finding the Fourth Proportional to 347,964,312.22, 479,744,990.40 and 285,008,484.58

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Solution

The fourth proportional to 347,964,312.22, 479,744,990.40 and 285,008,484.58 is: 392,946,597.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,964,312.22 : 479,744,990.40 = 285,008,484.58 : x
  2. Step 2: Convert to fraction form
    347,964,312.22/479,744,990.40 = 285,008,484.58/x
  3. Step 3: Cross multiply
    347,964,312.22x = 479,744,990.40 × 285,008,484.58
  4. Step 4: Simplify right side
    347,964,312.22x = 136,731,392,698,750,640
  5. Step 5: Solve for x
    x = 136,731,392,698,750,640/347,964,312.22
  6. Step 6: Final answer
    x = 392,946,597.96

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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.