Home / 207,628,512.40-311,442,768.60-204,400,008.33

Finding the Fourth Proportional to 207,628,512.40, 311,442,768.60 and 204,400,008.33

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Solution

The fourth proportional to 207,628,512.40, 311,442,768.60 and 204,400,008.33 is: 306,600,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,628,512.40 : 311,442,768.60 = 204,400,008.33 : x
  2. Step 2: Convert to fraction form
    207,628,512.40/311,442,768.60 = 204,400,008.33/x
  3. Step 3: Cross multiply
    207,628,512.40x = 311,442,768.60 × 204,400,008.33
  4. Step 4: Simplify right side
    207,628,512.40x = 63,658,904,496,158,272
  5. Step 5: Solve for x
    x = 63,658,904,496,158,272/207,628,512.40
  6. Step 6: Final answer
    x = 306,600,012.50

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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.