Home / 892,448,097.32-1,231,196,344.44-557,338,841.36

Finding the Fourth Proportional to 892,448,097.32, 1,231,196,344.44 and 557,338,841.36

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Solution

The fourth proportional to 892,448,097.32, 1,231,196,344.44 and 557,338,841.36 is: 768,889,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,448,097.32 : 1,231,196,344.44 = 557,338,841.36 : x
  2. Step 2: Convert to fraction form
    892,448,097.32/1,231,196,344.44 = 557,338,841.36/x
  3. Step 3: Cross multiply
    892,448,097.32x = 1,231,196,344.44 × 557,338,841.36
  4. Step 4: Simplify right side
    892,448,097.32x = 686,193,544,096,857,088
  5. Step 5: Solve for x
    x = 686,193,544,096,857,088/892,448,097.32
  6. Step 6: Final answer
    x = 768,889,021.29

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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.