Home / 1,116,801,270.64-1,541,136,039.46-640,149,927.30

Finding the Fourth Proportional to 1,116,801,270.64, 1,541,136,039.46 and 640,149,927.30

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Solution

The fourth proportional to 1,116,801,270.64, 1,541,136,039.46 and 640,149,927.30 is: 883,378,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,801,270.64 : 1,541,136,039.46 = 640,149,927.30 : x
  2. Step 2: Convert to fraction form
    1,116,801,270.64/1,541,136,039.46 = 640,149,927.30/x
  3. Step 3: Cross multiply
    1,116,801,270.64x = 1,541,136,039.46 × 640,149,927.30
  4. Step 4: Simplify right side
    1,116,801,270.64x = 986,558,123,619,728,896
  5. Step 5: Solve for x
    x = 986,558,123,619,728,896/1,116,801,270.64
  6. Step 6: Final answer
    x = 883,378,403.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.