Home / 18,397,757,619.38-27,585,583,374.80-7,192,285,599.44

Finding the Fourth Proportional to 18,397,757,619.38, 27,585,583,374.80 and 7,192,285,599.44

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Solution

The fourth proportional to 18,397,757,619.38, 27,585,583,374.80 and 7,192,285,599.44 is: 10,784,107,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,757,619.38 : 27,585,583,374.80 = 7,192,285,599.44 : x
  2. Step 2: Convert to fraction form
    18,397,757,619.38/27,585,583,374.80 = 7,192,285,599.44/x
  3. Step 3: Cross multiply
    18,397,757,619.38x = 27,585,583,374.80 × 7,192,285,599.44
  4. Step 4: Simplify right side
    18,397,757,619.38x = 198,403,394,058,725,490,688
  5. Step 5: Solve for x
    x = 198,403,394,058,725,490,688/18,397,757,619.38
  6. Step 6: Final answer
    x = 10,784,107,398.49

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1.5x scale

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.