Home / 15,978,627,029.06-22,053,624,221.04-9,636,027,497.54

Finding the Fourth Proportional to 15,978,627,029.06, 22,053,624,221.04 and 9,636,027,497.54

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Solution

The fourth proportional to 15,978,627,029.06, 22,053,624,221.04 and 9,636,027,497.54 is: 13,299,598,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,627,029.06 : 22,053,624,221.04 = 9,636,027,497.54 : x
  2. Step 2: Convert to fraction form
    15,978,627,029.06/22,053,624,221.04 = 9,636,027,497.54/x
  3. Step 3: Cross multiply
    15,978,627,029.06x = 22,053,624,221.04 × 9,636,027,497.54
  4. Step 4: Simplify right side
    15,978,627,029.06x = 212,509,329,414,341,787,648
  5. Step 5: Solve for x
    x = 212,509,329,414,341,787,648/15,978,627,029.06
  6. Step 6: Final answer
    x = 13,299,598,834.61

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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.