Home / 306,543,998.40-459,815,997.60-273,287,601.60

Finding the Fourth Proportional to 306,543,998.40, 459,815,997.60 and 273,287,601.60

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Solution

The fourth proportional to 306,543,998.40, 459,815,997.60 and 273,287,601.60 is: 409,931,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,543,998.40 : 459,815,997.60 = 273,287,601.60 : x
  2. Step 2: Convert to fraction form
    306,543,998.40/459,815,997.60 = 273,287,601.60/x
  3. Step 3: Cross multiply
    306,543,998.40x = 459,815,997.60 × 273,287,601.60
  4. Step 4: Simplify right side
    306,543,998.40x = 125,662,011,161,415,376
  5. Step 5: Solve for x
    x = 125,662,011,161,415,376/306,543,998.40
  6. Step 6: Final answer
    x = 409,931,402.40

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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.