Home / 527,616,091.20-791,424,136.80-391,567,195.20

Finding the Fourth Proportional to 527,616,091.20, 791,424,136.80 and 391,567,195.20

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Solution

The fourth proportional to 527,616,091.20, 791,424,136.80 and 391,567,195.20 is: 587,350,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,616,091.20 : 791,424,136.80 = 391,567,195.20 : x
  2. Step 2: Convert to fraction form
    527,616,091.20/791,424,136.80 = 391,567,195.20/x
  3. Step 3: Cross multiply
    527,616,091.20x = 791,424,136.80 × 391,567,195.20
  4. Step 4: Simplify right side
    527,616,091.20x = 309,895,729,460,357,056
  5. Step 5: Solve for x
    x = 309,895,729,460,357,056/527,616,091.20
  6. Step 6: Final answer
    x = 587,350,792.80

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Similar ratio
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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.