Home / 1,111,969,676.34-1,668,393,839.07-422,060,056.02

Finding the Fourth Proportional to 1,111,969,676.34, 1,668,393,839.07 and 422,060,056.02

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Solution

The fourth proportional to 1,111,969,676.34, 1,668,393,839.07 and 422,060,056.02 is: 633,256,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,969,676.34 : 1,668,393,839.07 = 422,060,056.02 : x
  2. Step 2: Convert to fraction form
    1,111,969,676.34/1,668,393,839.07 = 422,060,056.02/x
  3. Step 3: Cross multiply
    1,111,969,676.34x = 1,668,393,839.07 × 422,060,056.02
  4. Step 4: Simplify right side
    1,111,969,676.34x = 704,162,397,181,307,008
  5. Step 5: Solve for x
    x = 704,162,397,181,307,008/1,111,969,676.34
  6. Step 6: Final answer
    x = 633,256,834.39

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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.