Home / 13,436,960,018.90-20,155,440,028.35-10,171,786,514.90

Finding the Fourth Proportional to 13,436,960,018.90, 20,155,440,028.35 and 10,171,786,514.90

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Solution

The fourth proportional to 13,436,960,018.90, 20,155,440,028.35 and 10,171,786,514.90 is: 15,257,679,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,960,018.90 : 20,155,440,028.35 = 10,171,786,514.90 : x
  2. Step 2: Convert to fraction form
    13,436,960,018.90/20,155,440,028.35 = 10,171,786,514.90/x
  3. Step 3: Cross multiply
    13,436,960,018.90x = 20,155,440,028.35 × 10,171,786,514.90
  4. Step 4: Simplify right side
    13,436,960,018.90x = 205,016,833,082,246,168,576
  5. Step 5: Solve for x
    x = 205,016,833,082,246,168,576/13,436,960,018.90
  6. Step 6: Final answer
    x = 15,257,679,772.35

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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.