Home / 274,688,350.20-412,032,525.30-253,643,286.60

Finding the Fourth Proportional to 274,688,350.20, 412,032,525.30 and 253,643,286.60

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Solution

The fourth proportional to 274,688,350.20, 412,032,525.30 and 253,643,286.60 is: 380,464,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,688,350.20 : 412,032,525.30 = 253,643,286.60 : x
  2. Step 2: Convert to fraction form
    274,688,350.20/412,032,525.30 = 253,643,286.60/x
  3. Step 3: Cross multiply
    274,688,350.20x = 412,032,525.30 × 253,643,286.60
  4. Step 4: Simplify right side
    274,688,350.20x = 104,509,283,903,189,648
  5. Step 5: Solve for x
    x = 104,509,283,903,189,648/274,688,350.20
  6. Step 6: Final answer
    x = 380,464,929.90

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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.