Home / 408,157,518.58-612,110,700.33-116,946,615.04

Finding the Fourth Proportional to 408,157,518.58, 612,110,700.33 and 116,946,615.04

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Solution

The fourth proportional to 408,157,518.58, 612,110,700.33 and 116,946,615.04 is: 175,383,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,157,518.58 : 612,110,700.33 = 116,946,615.04 : x
  2. Step 2: Convert to fraction form
    408,157,518.58/612,110,700.33 = 116,946,615.04/x
  3. Step 3: Cross multiply
    408,157,518.58x = 612,110,700.33 × 116,946,615.04
  4. Step 4: Simplify right side
    408,157,518.58x = 71,584,274,433,357,320
  5. Step 5: Solve for x
    x = 71,584,274,433,357,320/408,157,518.58
  6. Step 6: Final answer
    x = 175,383,941.68

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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.