Home / 892,448,151.44-1,231,196,418.76-557,338,895.44

Finding the Fourth Proportional to 892,448,151.44, 1,231,196,418.76 and 557,338,895.44

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Solution

The fourth proportional to 892,448,151.44, 1,231,196,418.76 and 557,338,895.44 is: 768,889,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,448,151.44 : 1,231,196,418.76 = 557,338,895.44 : x
  2. Step 2: Convert to fraction form
    892,448,151.44/1,231,196,418.76 = 557,338,895.44/x
  3. Step 3: Cross multiply
    892,448,151.44x = 1,231,196,418.76 × 557,338,895.44
  4. Step 4: Simplify right side
    892,448,151.44x = 686,193,652,101,382,144
  5. Step 5: Solve for x
    x = 686,193,652,101,382,144/892,448,151.44
  6. Step 6: Final answer
    x = 768,889,095.68

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Double scale
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1.5x scale

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.