Home / 1,267,731,607.20-1,901,597,410.80-347,606,469.60

Finding the Fourth Proportional to 1,267,731,607.20, 1,901,597,410.80 and 347,606,469.60

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Solution

The fourth proportional to 1,267,731,607.20, 1,901,597,410.80 and 347,606,469.60 is: 521,409,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,731,607.20 : 1,901,597,410.80 = 347,606,469.60 : x
  2. Step 2: Convert to fraction form
    1,267,731,607.20/1,901,597,410.80 = 347,606,469.60/x
  3. Step 3: Cross multiply
    1,267,731,607.20x = 1,901,597,410.80 × 347,606,469.60
  4. Step 4: Simplify right side
    1,267,731,607.20x = 661,007,562,568,688,896
  5. Step 5: Solve for x
    x = 661,007,562,568,688,896/1,267,731,607.20
  6. Step 6: Final answer
    x = 521,409,704.40

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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.