Home / 368,846,200.80-553,907,030.40-196,659,316.80

Finding the Fourth Proportional to 368,846,200.80, 553,907,030.40 and 196,659,316.80

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Solution

The fourth proportional to 368,846,200.80, 553,907,030.40 and 196,659,316.80 is: 295,328,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,846,200.80 : 553,907,030.40 = 196,659,316.80 : x
  2. Step 2: Convert to fraction form
    368,846,200.80/553,907,030.40 = 196,659,316.80/x
  3. Step 3: Cross multiply
    368,846,200.80x = 553,907,030.40 × 196,659,316.80
  4. Step 4: Simplify right side
    368,846,200.80x = 108,930,978,169,180,832
  5. Step 5: Solve for x
    x = 108,930,978,169,180,832/368,846,200.80
  6. Step 6: Final answer
    x = 295,328,996.02

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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.