Home / 8,481,027,458.40-12,721,541,187.60-3,311,169,410.40

Finding the Fourth Proportional to 8,481,027,458.40, 12,721,541,187.60 and 3,311,169,410.40

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Solution

The fourth proportional to 8,481,027,458.40, 12,721,541,187.60 and 3,311,169,410.40 is: 4,966,754,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481,027,458.40 : 12,721,541,187.60 = 3,311,169,410.40 : x
  2. Step 2: Convert to fraction form
    8,481,027,458.40/12,721,541,187.60 = 3,311,169,410.40/x
  3. Step 3: Cross multiply
    8,481,027,458.40x = 12,721,541,187.60 × 3,311,169,410.40
  4. Step 4: Simplify right side
    8,481,027,458.40x = 42,123,178,033,524,809,728
  5. Step 5: Solve for x
    x = 42,123,178,033,524,809,728/8,481,027,458.40
  6. Step 6: Final answer
    x = 4,966,754,115.60

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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.