Home / 355,592,023,142.85-490,704,295,295.43-201,264,389,196.97

Finding the Fourth Proportional to 355,592,023,142.85, 490,704,295,295.43 and 201,264,389,196.97

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Solution

The fourth proportional to 355,592,023,142.85, 490,704,295,295.43 and 201,264,389,196.97 is: 277,737,670,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,592,023,142.85 : 490,704,295,295.43 = 201,264,389,196.97 : x
  2. Step 2: Convert to fraction form
    355,592,023,142.85/490,704,295,295.43 = 201,264,389,196.97/x
  3. Step 3: Cross multiply
    355,592,023,142.85x = 490,704,295,295.43 × 201,264,389,196.97
  4. Step 4: Simplify right side
    355,592,023,142.85x = 98,761,300,268,964,321,951,744
  5. Step 5: Solve for x
    x = 98,761,300,268,964,321,951,744/355,592,023,142.85
  6. Step 6: Final answer
    x = 277,737,670,817.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.