Home / 4,480,560,031.40-6,720,840,047.10-1,209,003,986.60

Finding the Fourth Proportional to 4,480,560,031.40, 6,720,840,047.10 and 1,209,003,986.60

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Solution

The fourth proportional to 4,480,560,031.40, 6,720,840,047.10 and 1,209,003,986.60 is: 1,813,505,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480,560,031.40 : 6,720,840,047.10 = 1,209,003,986.60 : x
  2. Step 2: Convert to fraction form
    4,480,560,031.40/6,720,840,047.10 = 1,209,003,986.60/x
  3. Step 3: Cross multiply
    4,480,560,031.40x = 6,720,840,047.10 × 1,209,003,986.60
  4. Step 4: Simplify right side
    4,480,560,031.40x = 8,125,522,410,244,831,232
  5. Step 5: Solve for x
    x = 8,125,522,410,244,831,232/4,480,560,031.40
  6. Step 6: Final answer
    x = 1,813,505,979.90

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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.