Home / 1,145,087,997.20-1,717,631,995.80-1,067,993,622.80

Finding the Fourth Proportional to 1,145,087,997.20, 1,717,631,995.80 and 1,067,993,622.80

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Solution

The fourth proportional to 1,145,087,997.20, 1,717,631,995.80 and 1,067,993,622.80 is: 1,601,990,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,087,997.20 : 1,717,631,995.80 = 1,067,993,622.80 : x
  2. Step 2: Convert to fraction form
    1,145,087,997.20/1,717,631,995.80 = 1,067,993,622.80/x
  3. Step 3: Cross multiply
    1,145,087,997.20x = 1,717,631,995.80 × 1,067,993,622.80
  4. Step 4: Simplify right side
    1,145,087,997.20x = 1,834,420,017,831,636,224
  5. Step 5: Solve for x
    x = 1,834,420,017,831,636,224/1,145,087,997.20
  6. Step 6: Final answer
    x = 1,601,990,434.20

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Double scale
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Similar ratio
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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.