Home / 252,852,329,037.98-379,127,029,028.61-80,478,373,903.21

Finding the Fourth Proportional to 252,852,329,037.98, 379,127,029,028.61 and 80,478,373,903.21

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Solution

The fourth proportional to 252,852,329,037.98, 379,127,029,028.61 and 80,478,373,903.21 is: 120,669,352,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,852,329,037.98 : 379,127,029,028.61 = 80,478,373,903.21 : x
  2. Step 2: Convert to fraction form
    252,852,329,037.98/379,127,029,028.61 = 80,478,373,903.21/x
  3. Step 3: Cross multiply
    252,852,329,037.98x = 379,127,029,028.61 × 80,478,373,903.21
  4. Step 4: Simplify right side
    252,852,329,037.98x = 30,511,526,798,977,629,421,568
  5. Step 5: Solve for x
    x = 30,511,526,798,977,629,421,568/252,852,329,037.98
  6. Step 6: Final answer
    x = 120,669,352,404.48

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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.