Home / 1,105,836,502.56-1,659,002,166.72-415,749,736.32

Finding the Fourth Proportional to 1,105,836,502.56, 1,659,002,166.72 and 415,749,736.32

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Solution

The fourth proportional to 1,105,836,502.56, 1,659,002,166.72 and 415,749,736.32 is: 623,717,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,836,502.56 : 1,659,002,166.72 = 415,749,736.32 : x
  2. Step 2: Convert to fraction form
    1,105,836,502.56/1,659,002,166.72 = 415,749,736.32/x
  3. Step 3: Cross multiply
    1,105,836,502.56x = 1,659,002,166.72 × 415,749,736.32
  4. Step 4: Simplify right side
    1,105,836,502.56x = 689,729,713,368,148,736
  5. Step 5: Solve for x
    x = 689,729,713,368,148,736/1,105,836,502.56
  6. Step 6: Final answer
    x = 623,717,621.70

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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.