Home / 10,865,094,855.40-16,297,642,283.10-9,121,702,654.90

Finding the Fourth Proportional to 10,865,094,855.40, 16,297,642,283.10 and 9,121,702,654.90

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Solution

The fourth proportional to 10,865,094,855.40, 16,297,642,283.10 and 9,121,702,654.90 is: 13,682,553,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,094,855.40 : 16,297,642,283.10 = 9,121,702,654.90 : x
  2. Step 2: Convert to fraction form
    10,865,094,855.40/16,297,642,283.10 = 9,121,702,654.90/x
  3. Step 3: Cross multiply
    10,865,094,855.40x = 16,297,642,283.10 × 9,121,702,654.90
  4. Step 4: Simplify right side
    10,865,094,855.40x = 148,662,246,882,363,768,832
  5. Step 5: Solve for x
    x = 148,662,246,882,363,768,832/10,865,094,855.40
  6. Step 6: Final answer
    x = 13,682,553,982.35

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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.