Home / 7,220,467,665.81-9,962,753,262.91-4,168,591,060.05

Finding the Fourth Proportional to 7,220,467,665.81, 9,962,753,262.91 and 4,168,591,060.05

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Solution

The fourth proportional to 7,220,467,665.81, 9,962,753,262.91 and 4,168,591,060.05 is: 5,751,794,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,467,665.81 : 9,962,753,262.91 = 4,168,591,060.05 : x
  2. Step 2: Convert to fraction form
    7,220,467,665.81/9,962,753,262.91 = 4,168,591,060.05/x
  3. Step 3: Cross multiply
    7,220,467,665.81x = 9,962,753,262.91 × 4,168,591,060.05
  4. Step 4: Simplify right side
    7,220,467,665.81x = 41,530,644,185,240,174,592
  5. Step 5: Solve for x
    x = 41,530,644,185,240,174,592/7,220,467,665.81
  6. Step 6: Final answer
    x = 5,751,794,219.91

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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.