Home / 1,256,495,022.82-1,881,199,085.01-664,945,388.38

Finding the Fourth Proportional to 1,256,495,022.82, 1,881,199,085.01 and 664,945,388.38

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Solution

The fourth proportional to 1,256,495,022.82, 1,881,199,085.01 and 664,945,388.38 is: 995,542,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,495,022.82 : 1,881,199,085.01 = 664,945,388.38 : x
  2. Step 2: Convert to fraction form
    1,256,495,022.82/1,881,199,085.01 = 664,945,388.38/x
  3. Step 3: Cross multiply
    1,256,495,022.82x = 1,881,199,085.01 × 664,945,388.38
  4. Step 4: Simplify right side
    1,256,495,022.82x = 1,250,894,656,202,075,136
  5. Step 5: Solve for x
    x = 1,250,894,656,202,075,136/1,256,495,022.82
  6. Step 6: Final answer
    x = 995,542,866.06

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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.