Home / 2,728,320,112.80-4,092,480,169.20-1,005,705,943.20

Finding the Fourth Proportional to 2,728,320,112.80, 4,092,480,169.20 and 1,005,705,943.20

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Solution

The fourth proportional to 2,728,320,112.80, 4,092,480,169.20 and 1,005,705,943.20 is: 1,508,558,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,320,112.80 : 4,092,480,169.20 = 1,005,705,943.20 : x
  2. Step 2: Convert to fraction form
    2,728,320,112.80/4,092,480,169.20 = 1,005,705,943.20/x
  3. Step 3: Cross multiply
    2,728,320,112.80x = 4,092,480,169.20 × 1,005,705,943.20
  4. Step 4: Simplify right side
    2,728,320,112.80x = 4,115,831,628,592,581,632
  5. Step 5: Solve for x
    x = 4,115,831,628,592,581,632/2,728,320,112.80
  6. Step 6: Final answer
    x = 1,508,558,914.80

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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.