Home / 20,785,254,184.20-31,177,881,276.30-20,372,005,662.60

Finding the Fourth Proportional to 20,785,254,184.20, 31,177,881,276.30 and 20,372,005,662.60

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Solution

The fourth proportional to 20,785,254,184.20, 31,177,881,276.30 and 20,372,005,662.60 is: 30,558,008,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,254,184.20 : 31,177,881,276.30 = 20,372,005,662.60 : x
  2. Step 2: Convert to fraction form
    20,785,254,184.20/31,177,881,276.30 = 20,372,005,662.60/x
  3. Step 3: Cross multiply
    20,785,254,184.20x = 31,177,881,276.30 × 20,372,005,662.60
  4. Step 4: Simplify right side
    20,785,254,184.20x = 635,155,973,908,654,063,616
  5. Step 5: Solve for x
    x = 635,155,973,908,654,063,616/20,785,254,184.20
  6. Step 6: Final answer
    x = 30,558,008,493.90

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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.