Home / 1,084,197,906.60-1,496,080,481.44-638,134,667.68

Finding the Fourth Proportional to 1,084,197,906.60, 1,496,080,481.44 and 638,134,667.68

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Solution

The fourth proportional to 1,084,197,906.60, 1,496,080,481.44 and 638,134,667.68 is: 880,559,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,197,906.60 : 1,496,080,481.44 = 638,134,667.68 : x
  2. Step 2: Convert to fraction form
    1,084,197,906.60/1,496,080,481.44 = 638,134,667.68/x
  3. Step 3: Cross multiply
    1,084,197,906.60x = 1,496,080,481.44 × 638,134,667.68
  4. Step 4: Simplify right side
    1,084,197,906.60x = 954,700,820,846,248,704
  5. Step 5: Solve for x
    x = 954,700,820,846,248,704/1,084,197,906.60
  6. Step 6: Final answer
    x = 880,559,550.09

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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.