Home / 1,300,157,080.80-1,950,235,621.20-1,200,671,325.60

Finding the Fourth Proportional to 1,300,157,080.80, 1,950,235,621.20 and 1,200,671,325.60

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Solution

The fourth proportional to 1,300,157,080.80, 1,950,235,621.20 and 1,200,671,325.60 is: 1,801,006,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,157,080.80 : 1,950,235,621.20 = 1,200,671,325.60 : x
  2. Step 2: Convert to fraction form
    1,300,157,080.80/1,950,235,621.20 = 1,200,671,325.60/x
  3. Step 3: Cross multiply
    1,300,157,080.80x = 1,950,235,621.20 × 1,200,671,325.60
  4. Step 4: Simplify right side
    1,300,157,080.80x = 2,341,591,988,538,543,104
  5. Step 5: Solve for x
    x = 2,341,591,988,538,543,104/1,300,157,080.80
  6. Step 6: Final answer
    x = 1,801,006,988.40

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Double scale
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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.