Home / 13,283,970,980.58-19,933,311,270.87-7,958,997,433.62

Finding the Fourth Proportional to 13,283,970,980.58, 19,933,311,270.87 and 7,958,997,433.62

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Solution

The fourth proportional to 13,283,970,980.58, 19,933,311,270.87 and 7,958,997,433.62 is: 11,942,902,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,970,980.58 : 19,933,311,270.87 = 7,958,997,433.62 : x
  2. Step 2: Convert to fraction form
    13,283,970,980.58/19,933,311,270.87 = 7,958,997,433.62/x
  3. Step 3: Cross multiply
    13,283,970,980.58x = 19,933,311,270.87 × 7,958,997,433.62
  4. Step 4: Simplify right side
    13,283,970,980.58x = 158,649,173,248,402,948,096
  5. Step 5: Solve for x
    x = 158,649,173,248,402,948,096/13,283,970,980.58
  6. Step 6: Final answer
    x = 11,942,902,726.93

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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.