Home / 20,892,611,064.78-31,343,758,032.69-5,969,970,989.94

Finding the Fourth Proportional to 20,892,611,064.78, 31,343,758,032.69 and 5,969,970,989.94

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Solution

The fourth proportional to 20,892,611,064.78, 31,343,758,032.69 and 5,969,970,989.94 is: 8,956,339,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892,611,064.78 : 31,343,758,032.69 = 5,969,970,989.94 : x
  2. Step 2: Convert to fraction form
    20,892,611,064.78/31,343,758,032.69 = 5,969,970,989.94/x
  3. Step 3: Cross multiply
    20,892,611,064.78x = 31,343,758,032.69 × 5,969,970,989.94
  4. Step 4: Simplify right side
    20,892,611,064.78x = 187,121,326,170,858,127,360
  5. Step 5: Solve for x
    x = 187,121,326,170,858,127,360/20,892,611,064.78
  6. Step 6: Final answer
    x = 8,956,339,903.65

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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.