Home / 20,160,859,636.80-30,241,289,455.20-13,957,029,979.20

Finding the Fourth Proportional to 20,160,859,636.80, 30,241,289,455.20 and 13,957,029,979.20

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Solution

The fourth proportional to 20,160,859,636.80, 30,241,289,455.20 and 13,957,029,979.20 is: 20,935,544,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,859,636.80 : 30,241,289,455.20 = 13,957,029,979.20 : x
  2. Step 2: Convert to fraction form
    20,160,859,636.80/30,241,289,455.20 = 13,957,029,979.20/x
  3. Step 3: Cross multiply
    20,160,859,636.80x = 30,241,289,455.20 × 13,957,029,979.20
  4. Step 4: Simplify right side
    20,160,859,636.80x = 422,078,583,535,891,251,200
  5. Step 5: Solve for x
    x = 422,078,583,535,891,251,200/20,160,859,636.80
  6. Step 6: Final answer
    x = 20,935,544,968.80

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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.