Home / 251,640,783,405.58-347,264,267,817.38-135,897,531,900.21

Finding the Fourth Proportional to 251,640,783,405.58, 347,264,267,817.38 and 135,897,531,900.21

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Solution

The fourth proportional to 251,640,783,405.58, 347,264,267,817.38 and 135,897,531,900.21 is: 187,538,586,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,640,783,405.58 : 347,264,267,817.38 = 135,897,531,900.21 : x
  2. Step 2: Convert to fraction form
    251,640,783,405.58/347,264,267,817.38 = 135,897,531,900.21/x
  3. Step 3: Cross multiply
    251,640,783,405.58x = 347,264,267,817.38 × 135,897,531,900.21
  4. Step 4: Simplify right side
    251,640,783,405.58x = 47,192,356,913,515,469,996,032
  5. Step 5: Solve for x
    x = 47,192,356,913,515,469,996,032/251,640,783,405.58
  6. Step 6: Final answer
    x = 187,538,586,849.23

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1.5x scale

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.