Home / 436,962,130.20-655,443,195.30-178,036,201.80

Finding the Fourth Proportional to 436,962,130.20, 655,443,195.30 and 178,036,201.80

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Solution

The fourth proportional to 436,962,130.20, 655,443,195.30 and 178,036,201.80 is: 267,054,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,962,130.20 : 655,443,195.30 = 178,036,201.80 : x
  2. Step 2: Convert to fraction form
    436,962,130.20/655,443,195.30 = 178,036,201.80/x
  3. Step 3: Cross multiply
    436,962,130.20x = 655,443,195.30 × 178,036,201.80
  4. Step 4: Simplify right side
    436,962,130.20x = 116,692,616,986,867,616
  5. Step 5: Solve for x
    x = 116,692,616,986,867,616/436,962,130.20
  6. Step 6: Final answer
    x = 267,054,302.70

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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.