Home / 1,111,969,677.84-1,668,393,841.32-422,060,057.52

Finding the Fourth Proportional to 1,111,969,677.84, 1,668,393,841.32 and 422,060,057.52

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Solution

The fourth proportional to 1,111,969,677.84, 1,668,393,841.32 and 422,060,057.52 is: 633,256,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,969,677.84 : 1,668,393,841.32 = 422,060,057.52 : x
  2. Step 2: Convert to fraction form
    1,111,969,677.84/1,668,393,841.32 = 422,060,057.52/x
  3. Step 3: Cross multiply
    1,111,969,677.84x = 1,668,393,841.32 × 422,060,057.52
  4. Step 4: Simplify right side
    1,111,969,677.84x = 704,162,400,633,532,928
  5. Step 5: Solve for x
    x = 704,162,400,633,532,928/1,111,969,677.84
  6. Step 6: Final answer
    x = 633,256,836.64

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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.