Home / 20,785,257,548.20-31,177,886,322.30-20,372,009,026.60

Finding the Fourth Proportional to 20,785,257,548.20, 31,177,886,322.30 and 20,372,009,026.60

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Solution

The fourth proportional to 20,785,257,548.20, 31,177,886,322.30 and 20,372,009,026.60 is: 30,558,013,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,257,548.20 : 31,177,886,322.30 = 20,372,009,026.60 : x
  2. Step 2: Convert to fraction form
    20,785,257,548.20/31,177,886,322.30 = 20,372,009,026.60/x
  3. Step 3: Cross multiply
    20,785,257,548.20x = 31,177,886,322.30 × 20,372,009,026.60
  4. Step 4: Simplify right side
    20,785,257,548.20x = 635,156,181,588,204,191,744
  5. Step 5: Solve for x
    x = 635,156,181,588,204,191,744/20,785,257,548.20
  6. Step 6: Final answer
    x = 30,558,013,539.90

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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.