Home / 51,757,058,706.40-77,635,588,059.60-20,760,155,999.20

Finding the Fourth Proportional to 51,757,058,706.40, 77,635,588,059.60 and 20,760,155,999.20

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Solution

The fourth proportional to 51,757,058,706.40, 77,635,588,059.60 and 20,760,155,999.20 is: 31,140,233,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,757,058,706.40 : 77,635,588,059.60 = 20,760,155,999.20 : x
  2. Step 2: Convert to fraction form
    51,757,058,706.40/77,635,588,059.60 = 20,760,155,999.20/x
  3. Step 3: Cross multiply
    51,757,058,706.40x = 77,635,588,059.60 × 20,760,155,999.20
  4. Step 4: Simplify right side
    51,757,058,706.40x = 1,611,726,919,206,924,976,128
  5. Step 5: Solve for x
    x = 1,611,726,919,206,924,976,128/51,757,058,706.40
  6. Step 6: Final answer
    x = 31,140,233,998.80

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1.5x scale

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.