Home / 13,991,406,761,380-20,989,972,533,036-4,811,272,334,827.20

Finding the Fourth Proportional to 13,991,406,761,380, 20,989,972,533,036 and 4,811,272,334,827.20

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Solution

The fourth proportional to 13,991,406,761,380, 20,989,972,533,036 and 4,811,272,334,827.20 is: 7,217,892,802,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,406,761,380 : 20,989,972,533,036 = 4,811,272,334,827.20 : x
  2. Step 2: Convert to fraction form
    13,991,406,761,380/20,989,972,533,036 = 4,811,272,334,827.20/x
  3. Step 3: Cross multiply
    13,991,406,761,380x = 20,989,972,533,036 × 4,811,272,334,827.20
  4. Step 4: Simplify right side
    13,991,406,761,380x = 100,988,474,156,978,915,696,967,680
  5. Step 5: Solve for x
    x = 100,988,474,156,978,915,696,967,680/13,991,406,761,380
  6. Step 6: Final answer
    x = 7,217,892,802,297.33

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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.