Home / 1,116,801,361.94-1,541,136,165.21-640,150,019.06

Finding the Fourth Proportional to 1,116,801,361.94, 1,541,136,165.21 and 640,150,019.06

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Solution

The fourth proportional to 1,116,801,361.94, 1,541,136,165.21 and 640,150,019.06 is: 883,378,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,801,361.94 : 1,541,136,165.21 = 640,150,019.06 : x
  2. Step 2: Convert to fraction form
    1,116,801,361.94/1,541,136,165.21 = 640,150,019.06/x
  3. Step 3: Cross multiply
    1,116,801,361.94x = 1,541,136,165.21 × 640,150,019.06
  4. Step 4: Simplify right side
    1,116,801,361.94x = 986,558,345,525,531,008
  5. Step 5: Solve for x
    x = 986,558,345,525,531,008/1,116,801,361.94
  6. Step 6: Final answer
    x = 883,378,530.11

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Double scale
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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.