Home / 30,805,464,344.47-42,511,508,553.67-17,257,196,871.61

Finding the Fourth Proportional to 30,805,464,344.47, 42,511,508,553.67 and 17,257,196,871.61

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Solution

The fourth proportional to 30,805,464,344.47, 42,511,508,553.67 and 17,257,196,871.61 is: 23,814,913,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805,464,344.47 : 42,511,508,553.67 = 17,257,196,871.61 : x
  2. Step 2: Convert to fraction form
    30,805,464,344.47/42,511,508,553.67 = 17,257,196,871.61/x
  3. Step 3: Cross multiply
    30,805,464,344.47x = 42,511,508,553.67 × 17,257,196,871.61
  4. Step 4: Simplify right side
    30,805,464,344.47x = 733,629,472,419,678,912,512
  5. Step 5: Solve for x
    x = 733,629,472,419,678,912,512/30,805,464,344.47
  6. Step 6: Final answer
    x = 23,814,913,621.05

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1.5x scale

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.