Home / 789,631,573,470.52-1,089,691,571,389.40-451,686,115,806.52

Finding the Fourth Proportional to 789,631,573,470.52, 1,089,691,571,389.40 and 451,686,115,806.52

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Solution

The fourth proportional to 789,631,573,470.52, 1,089,691,571,389.40 and 451,686,115,806.52 is: 623,326,839,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,631,573,470.52 : 1,089,691,571,389.40 = 451,686,115,806.52 : x
  2. Step 2: Convert to fraction form
    789,631,573,470.52/1,089,691,571,389.40 = 451,686,115,806.52/x
  3. Step 3: Cross multiply
    789,631,573,470.52x = 1,089,691,571,389.40 × 451,686,115,806.52
  4. Step 4: Simplify right side
    789,631,573,470.52x = 492,198,553,307,981,306,396,672
  5. Step 5: Solve for x
    x = 492,198,553,307,981,306,396,672/789,631,573,470.52
  6. Step 6: Final answer
    x = 623,326,839,813.05

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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.