Home / 12,465,378,392.40-18,698,067,591.84-3,149,153,102.16

Finding the Fourth Proportional to 12,465,378,392.40, 18,698,067,591.84 and 3,149,153,102.16

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Solution

The fourth proportional to 12,465,378,392.40, 18,698,067,591.84 and 3,149,153,102.16 is: 4,723,729,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,378,392.40 : 18,698,067,591.84 = 3,149,153,102.16 : x
  2. Step 2: Convert to fraction form
    12,465,378,392.40/18,698,067,591.84 = 3,149,153,102.16/x
  3. Step 3: Cross multiply
    12,465,378,392.40x = 18,698,067,591.84 × 3,149,153,102.16
  4. Step 4: Simplify right side
    12,465,378,392.40x = 58,883,077,561,240,297,472
  5. Step 5: Solve for x
    x = 58,883,077,561,240,297,472/12,465,378,392.40
  6. Step 6: Final answer
    x = 4,723,729,654.06

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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.