Home / 13,203,465,988.80-19,805,198,983.20-11,897,396,587.20

Finding the Fourth Proportional to 13,203,465,988.80, 19,805,198,983.20 and 11,897,396,587.20

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Solution

The fourth proportional to 13,203,465,988.80, 19,805,198,983.20 and 11,897,396,587.20 is: 17,846,094,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,465,988.80 : 19,805,198,983.20 = 11,897,396,587.20 : x
  2. Step 2: Convert to fraction form
    13,203,465,988.80/19,805,198,983.20 = 11,897,396,587.20/x
  3. Step 3: Cross multiply
    13,203,465,988.80x = 19,805,198,983.20 × 11,897,396,587.20
  4. Step 4: Simplify right side
    13,203,465,988.80x = 235,630,306,791,540,621,312
  5. Step 5: Solve for x
    x = 235,630,306,791,540,621,312/13,203,465,988.80
  6. Step 6: Final answer
    x = 17,846,094,880.80

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Double scale
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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.