Home / 455,523,019.60-683,218,174.20-132,373,195.60

Finding the Fourth Proportional to 455,523,019.60, 683,218,174.20 and 132,373,195.60

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Solution

The fourth proportional to 455,523,019.60, 683,218,174.20 and 132,373,195.60 is: 198,540,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,523,019.60 : 683,218,174.20 = 132,373,195.60 : x
  2. Step 2: Convert to fraction form
    455,523,019.60/683,218,174.20 = 132,373,195.60/x
  3. Step 3: Cross multiply
    455,523,019.60x = 683,218,174.20 × 132,373,195.60
  4. Step 4: Simplify right side
    455,523,019.60x = 90,439,773,010,851,472
  5. Step 5: Solve for x
    x = 90,439,773,010,851,472/455,523,019.60
  6. Step 6: Final answer
    x = 198,540,510.84

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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.