Home / 7,905,731,048.50-11,858,178,919.62-2,593,143,412.53

Finding the Fourth Proportional to 7,905,731,048.50, 11,858,178,919.62 and 2,593,143,412.53

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Solution

The fourth proportional to 7,905,731,048.50, 11,858,178,919.62 and 2,593,143,412.53 is: 3,889,578,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905,731,048.50 : 11,858,178,919.62 = 2,593,143,412.53 : x
  2. Step 2: Convert to fraction form
    7,905,731,048.50/11,858,178,919.62 = 2,593,143,412.53/x
  3. Step 3: Cross multiply
    7,905,731,048.50x = 11,858,178,919.62 × 2,593,143,412.53
  4. Step 4: Simplify right side
    7,905,731,048.50x = 30,749,958,550,014,722,048
  5. Step 5: Solve for x
    x = 30,749,958,550,014,722,048/7,905,731,048.50
  6. Step 6: Final answer
    x = 3,889,578,125.21

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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.