Home / 348,425,577.33-480,839,097.05-189,661,491.69

Finding the Fourth Proportional to 348,425,577.33, 480,839,097.05 and 189,661,491.69

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Solution

The fourth proportional to 348,425,577.33, 480,839,097.05 and 189,661,491.69 is: 261,739,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,425,577.33 : 480,839,097.05 = 189,661,491.69 : x
  2. Step 2: Convert to fraction form
    348,425,577.33/480,839,097.05 = 189,661,491.69/x
  3. Step 3: Cross multiply
    348,425,577.33x = 480,839,097.05 × 189,661,491.69
  4. Step 4: Simplify right side
    348,425,577.33x = 91,196,660,409,375,680
  5. Step 5: Solve for x
    x = 91,196,660,409,375,680/348,425,577.33
  6. Step 6: Final answer
    x = 261,739,281.91

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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.