Home / 1,262,753,778.70-1,893,165,101.16-764,655,887.31

Finding the Fourth Proportional to 1,262,753,778.70, 1,893,165,101.16 and 764,655,887.31

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Solution

The fourth proportional to 1,262,753,778.70, 1,893,165,101.16 and 764,655,887.31 is: 1,146,399,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,753,778.70 : 1,893,165,101.16 = 764,655,887.31 : x
  2. Step 2: Convert to fraction form
    1,262,753,778.70/1,893,165,101.16 = 764,655,887.31/x
  3. Step 3: Cross multiply
    1,262,753,778.70x = 1,893,165,101.16 × 764,655,887.31
  4. Step 4: Simplify right side
    1,262,753,778.70x = 1,447,619,840,251,825,664
  5. Step 5: Solve for x
    x = 1,447,619,840,251,825,664/1,262,753,778.70
  6. Step 6: Final answer
    x = 1,146,399,135.50

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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.