Home / 31,912,848,002.10-47,869,272,003.15-15,382,907,138.10

Finding the Fourth Proportional to 31,912,848,002.10, 47,869,272,003.15 and 15,382,907,138.10

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Solution

The fourth proportional to 31,912,848,002.10, 47,869,272,003.15 and 15,382,907,138.10 is: 23,074,360,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,848,002.10 : 47,869,272,003.15 = 15,382,907,138.10 : x
  2. Step 2: Convert to fraction form
    31,912,848,002.10/47,869,272,003.15 = 15,382,907,138.10/x
  3. Step 3: Cross multiply
    31,912,848,002.10x = 47,869,272,003.15 × 15,382,907,138.10
  4. Step 4: Simplify right side
    31,912,848,002.10x = 736,368,565,992,906,686,464
  5. Step 5: Solve for x
    x = 736,368,565,992,906,686,464/31,912,848,002.10
  6. Step 6: Final answer
    x = 23,074,360,707.15

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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.