Home / 84,296,020,449.69-126,451,463,022.72-23,790,836,979.18

Finding the Fourth Proportional to 84,296,020,449.69, 126,451,463,022.72 and 23,790,836,979.18

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Solution

The fourth proportional to 84,296,020,449.69, 126,451,463,022.72 and 23,790,836,979.18 is: 35,688,353,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,296,020,449.69 : 126,451,463,022.72 = 23,790,836,979.18 : x
  2. Step 2: Convert to fraction form
    84,296,020,449.69/126,451,463,022.72 = 23,790,836,979.18/x
  3. Step 3: Cross multiply
    84,296,020,449.69x = 126,451,463,022.72 × 23,790,836,979.18
  4. Step 4: Simplify right side
    84,296,020,449.69x = 3,008,386,142,552,339,251,200
  5. Step 5: Solve for x
    x = 3,008,386,142,552,339,251,200/84,296,020,449.69
  6. Step 6: Final answer
    x = 35,688,353,097.85

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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.