Home / 790,768,817.01-1,186,140,022.11-192,512,978.06

Finding the Fourth Proportional to 790,768,817.01, 1,186,140,022.11 and 192,512,978.06

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Solution

The fourth proportional to 790,768,817.01, 1,186,140,022.11 and 192,512,978.06 is: 288,766,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,768,817.01 : 1,186,140,022.11 = 192,512,978.06 : x
  2. Step 2: Convert to fraction form
    790,768,817.01/1,186,140,022.11 = 192,512,978.06/x
  3. Step 3: Cross multiply
    790,768,817.01x = 1,186,140,022.11 × 192,512,978.06
  4. Step 4: Simplify right side
    790,768,817.01x = 228,347,348,046,619,648
  5. Step 5: Solve for x
    x = 228,347,348,046,619,648/790,768,817.01
  6. Step 6: Final answer
    x = 288,766,252.71

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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.