Home / 20,143,728,462.40-30,215,592,693.60-11,436,599,118.40

Finding the Fourth Proportional to 20,143,728,462.40, 30,215,592,693.60 and 11,436,599,118.40

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Solution

The fourth proportional to 20,143,728,462.40, 30,215,592,693.60 and 11,436,599,118.40 is: 17,154,898,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,728,462.40 : 30,215,592,693.60 = 11,436,599,118.40 : x
  2. Step 2: Convert to fraction form
    20,143,728,462.40/30,215,592,693.60 = 11,436,599,118.40/x
  3. Step 3: Cross multiply
    20,143,728,462.40x = 30,215,592,693.60 × 11,436,599,118.40
  4. Step 4: Simplify right side
    20,143,728,462.40x = 345,563,620,761,559,236,608
  5. Step 5: Solve for x
    x = 345,563,620,761,559,236,608/20,143,728,462.40
  6. Step 6: Final answer
    x = 17,154,898,677.60

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Double scale
Find fourth proportional to 20,143,728,463.40, 30,215,592,695.10 and 11,436,599,119.40
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.