Home / 382,438,446.60-573,374,234.70-163,909,907.40

Finding the Fourth Proportional to 382,438,446.60, 573,374,234.70 and 163,909,907.40

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Solution

The fourth proportional to 382,438,446.60, 573,374,234.70 and 163,909,907.40 is: 245,743,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,438,446.60 : 573,374,234.70 = 163,909,907.40 : x
  2. Step 2: Convert to fraction form
    382,438,446.60/573,374,234.70 = 163,909,907.40/x
  3. Step 3: Cross multiply
    382,438,446.60x = 573,374,234.70 × 163,909,907.40
  4. Step 4: Simplify right side
    382,438,446.60x = 93,981,717,715,222,880
  5. Step 5: Solve for x
    x = 93,981,717,715,222,880/382,438,446.60
  6. Step 6: Final answer
    x = 245,743,383.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.