Home / 251,640,783,445.48-347,264,267,872.12-135,897,531,939.90

Finding the Fourth Proportional to 251,640,783,445.48, 347,264,267,872.12 and 135,897,531,939.90

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Solution

The fourth proportional to 251,640,783,445.48, 347,264,267,872.12 and 135,897,531,939.90 is: 187,538,586,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,640,783,445.48 : 347,264,267,872.12 = 135,897,531,939.90 : x
  2. Step 2: Convert to fraction form
    251,640,783,445.48/347,264,267,872.12 = 135,897,531,939.90/x
  3. Step 3: Cross multiply
    251,640,783,445.48x = 347,264,267,872.12 × 135,897,531,939.90
  4. Step 4: Simplify right side
    251,640,783,445.48x = 47,192,356,934,737,415,110,656
  5. Step 5: Solve for x
    x = 47,192,356,934,737,415,110,656/251,640,783,445.48
  6. Step 6: Final answer
    x = 187,538,586,903.83

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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.