Home / 8,425,670,046.44-12,639,339,628.86-3,115,174,601.48

Finding the Fourth Proportional to 8,425,670,046.44, 12,639,339,628.86 and 3,115,174,601.48

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Solution

The fourth proportional to 8,425,670,046.44, 12,639,339,628.86 and 3,115,174,601.48 is: 4,673,070,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425,670,046.44 : 12,639,339,628.86 = 3,115,174,601.48 : x
  2. Step 2: Convert to fraction form
    8,425,670,046.44/12,639,339,628.86 = 3,115,174,601.48/x
  3. Step 3: Cross multiply
    8,425,670,046.44x = 12,639,339,628.86 × 3,115,174,601.48
  4. Step 4: Simplify right side
    8,425,670,046.44x = 39,373,749,791,304,327,168
  5. Step 5: Solve for x
    x = 39,373,749,791,304,327,168/8,425,670,046.44
  6. Step 6: Final answer
    x = 4,673,070,459.00

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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.