Home / 10,728,993,947.60-16,093,490,921.40-9,439,048,859.60

Finding the Fourth Proportional to 10,728,993,947.60, 16,093,490,921.40 and 9,439,048,859.60

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Solution

The fourth proportional to 10,728,993,947.60, 16,093,490,921.40 and 9,439,048,859.60 is: 14,158,573,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,993,947.60 : 16,093,490,921.40 = 9,439,048,859.60 : x
  2. Step 2: Convert to fraction form
    10,728,993,947.60/16,093,490,921.40 = 9,439,048,859.60/x
  3. Step 3: Cross multiply
    10,728,993,947.60x = 16,093,490,921.40 × 9,439,048,859.60
  4. Step 4: Simplify right side
    10,728,993,947.60x = 151,907,247,128,623,611,904
  5. Step 5: Solve for x
    x = 151,907,247,128,623,611,904/10,728,993,947.60
  6. Step 6: Final answer
    x = 14,158,573,289.40

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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.