Home / 11,005,135,943.30-16,507,703,914.95-9,300,485,791.70

Finding the Fourth Proportional to 11,005,135,943.30, 16,507,703,914.95 and 9,300,485,791.70

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Solution

The fourth proportional to 11,005,135,943.30, 16,507,703,914.95 and 9,300,485,791.70 is: 13,950,728,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,135,943.30 : 16,507,703,914.95 = 9,300,485,791.70 : x
  2. Step 2: Convert to fraction form
    11,005,135,943.30/16,507,703,914.95 = 9,300,485,791.70/x
  3. Step 3: Cross multiply
    11,005,135,943.30x = 16,507,703,914.95 × 9,300,485,791.70
  4. Step 4: Simplify right side
    11,005,135,943.30x = 153,529,665,714,582,945,792
  5. Step 5: Solve for x
    x = 153,529,665,714,582,945,792/11,005,135,943.30
  6. Step 6: Final answer
    x = 13,950,728,687.55

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Double scale
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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.