Home / 407,529,037.60-611,293,556.40-203,455,693.60

Finding the Fourth Proportional to 407,529,037.60, 611,293,556.40 and 203,455,693.60

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Solution

The fourth proportional to 407,529,037.60, 611,293,556.40 and 203,455,693.60 is: 305,183,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,529,037.60 : 611,293,556.40 = 203,455,693.60 : x
  2. Step 2: Convert to fraction form
    407,529,037.60/611,293,556.40 = 203,455,693.60/x
  3. Step 3: Cross multiply
    407,529,037.60x = 611,293,556.40 × 203,455,693.60
  4. Step 4: Simplify right side
    407,529,037.60x = 124,371,154,510,572,704
  5. Step 5: Solve for x
    x = 124,371,154,510,572,704/407,529,037.60
  6. Step 6: Final answer
    x = 305,183,540.40

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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.