Home / 10,114,578,129.20-15,171,867,193.80-9,959,609,933.60

Finding the Fourth Proportional to 10,114,578,129.20, 15,171,867,193.80 and 9,959,609,933.60

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Solution

The fourth proportional to 10,114,578,129.20, 15,171,867,193.80 and 9,959,609,933.60 is: 14,939,414,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114,578,129.20 : 15,171,867,193.80 = 9,959,609,933.60 : x
  2. Step 2: Convert to fraction form
    10,114,578,129.20/15,171,867,193.80 = 9,959,609,933.60/x
  3. Step 3: Cross multiply
    10,114,578,129.20x = 15,171,867,193.80 × 9,959,609,933.60
  4. Step 4: Simplify right side
    10,114,578,129.20x = 151,105,879,214,630,436,864
  5. Step 5: Solve for x
    x = 151,105,879,214,630,436,864/10,114,578,129.20
  6. Step 6: Final answer
    x = 14,939,414,900.40

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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.