Home / 21,079,200,804.67-29,089,124,938.52-11,433,906,629.86

Finding the Fourth Proportional to 21,079,200,804.67, 29,089,124,938.52 and 11,433,906,629.86

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Solution

The fourth proportional to 21,079,200,804.67, 29,089,124,938.52 and 11,433,906,629.86 is: 15,778,697,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,079,200,804.67 : 29,089,124,938.52 = 11,433,906,629.86 : x
  2. Step 2: Convert to fraction form
    21,079,200,804.67/29,089,124,938.52 = 11,433,906,629.86/x
  3. Step 3: Cross multiply
    21,079,200,804.67x = 29,089,124,938.52 × 11,433,906,629.86
  4. Step 4: Simplify right side
    21,079,200,804.67x = 332,602,338,491,306,278,912
  5. Step 5: Solve for x
    x = 332,602,338,491,306,278,912/21,079,200,804.67
  6. Step 6: Final answer
    x = 15,778,697,758.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.