Home / 10,081,344,972.90-15,122,017,459.35-2,720,343,872.10

Finding the Fourth Proportional to 10,081,344,972.90, 15,122,017,459.35 and 2,720,343,872.10

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Solution

The fourth proportional to 10,081,344,972.90, 15,122,017,459.35 and 2,720,343,872.10 is: 4,080,515,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,344,972.90 : 15,122,017,459.35 = 2,720,343,872.10 : x
  2. Step 2: Convert to fraction form
    10,081,344,972.90/15,122,017,459.35 = 2,720,343,872.10/x
  3. Step 3: Cross multiply
    10,081,344,972.90x = 15,122,017,459.35 × 2,720,343,872.10
  4. Step 4: Simplify right side
    10,081,344,972.90x = 41,137,087,529,331,982,336
  5. Step 5: Solve for x
    x = 41,137,087,529,331,982,336/10,081,344,972.90
  6. Step 6: Final answer
    x = 4,080,515,808.15

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Double scale
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Similar ratio
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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.