Home / 10,561,175,425.80-15,841,763,138.70-8,856,525,274.20

Finding the Fourth Proportional to 10,561,175,425.80, 15,841,763,138.70 and 8,856,525,274.20

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Solution

The fourth proportional to 10,561,175,425.80, 15,841,763,138.70 and 8,856,525,274.20 is: 13,284,787,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,175,425.80 : 15,841,763,138.70 = 8,856,525,274.20 : x
  2. Step 2: Convert to fraction form
    10,561,175,425.80/15,841,763,138.70 = 8,856,525,274.20/x
  3. Step 3: Cross multiply
    10,561,175,425.80x = 15,841,763,138.70 × 8,856,525,274.20
  4. Step 4: Simplify right side
    10,561,175,425.80x = 140,302,975,625,786,490,880
  5. Step 5: Solve for x
    x = 140,302,975,625,786,490,880/10,561,175,425.80
  6. Step 6: Final answer
    x = 13,284,787,911.30

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Double scale
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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.