Home / 6,478,206,659.76-8,939,923,011.87-3,507,982,910.76

Finding the Fourth Proportional to 6,478,206,659.76, 8,939,923,011.87 and 3,507,982,910.76

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Solution

The fourth proportional to 6,478,206,659.76, 8,939,923,011.87 and 3,507,982,910.76 is: 4,841,015,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,206,659.76 : 8,939,923,011.87 = 3,507,982,910.76 : x
  2. Step 2: Convert to fraction form
    6,478,206,659.76/8,939,923,011.87 = 3,507,982,910.76/x
  3. Step 3: Cross multiply
    6,478,206,659.76x = 8,939,923,011.87 × 3,507,982,910.76
  4. Step 4: Simplify right side
    6,478,206,659.76x = 31,361,097,149,150,031,872
  5. Step 5: Solve for x
    x = 31,361,097,149,150,031,872/6,478,206,659.76
  6. Step 6: Final answer
    x = 4,841,015,237.13

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Double scale
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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.