Home / 2,910,179,851.20-4,365,269,776.80-839,969,150.40

Finding the Fourth Proportional to 2,910,179,851.20, 4,365,269,776.80 and 839,969,150.40

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Solution

The fourth proportional to 2,910,179,851.20, 4,365,269,776.80 and 839,969,150.40 is: 1,259,953,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,179,851.20 : 4,365,269,776.80 = 839,969,150.40 : x
  2. Step 2: Convert to fraction form
    2,910,179,851.20/4,365,269,776.80 = 839,969,150.40/x
  3. Step 3: Cross multiply
    2,910,179,851.20x = 4,365,269,776.80 × 839,969,150.40
  4. Step 4: Simplify right side
    2,910,179,851.20x = 3,666,691,945,685,493,760
  5. Step 5: Solve for x
    x = 3,666,691,945,685,493,760/2,910,179,851.20
  6. Step 6: Final answer
    x = 1,259,953,725.60

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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.