Home / 422,634,008.40-633,951,012.60-269,579,000.40

Finding the Fourth Proportional to 422,634,008.40, 633,951,012.60 and 269,579,000.40

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Solution

The fourth proportional to 422,634,008.40, 633,951,012.60 and 269,579,000.40 is: 404,368,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,634,008.40 : 633,951,012.60 = 269,579,000.40 : x
  2. Step 2: Convert to fraction form
    422,634,008.40/633,951,012.60 = 269,579,000.40/x
  3. Step 3: Cross multiply
    422,634,008.40x = 633,951,012.60 × 269,579,000.40
  4. Step 4: Simplify right side
    422,634,008.40x = 170,899,880,279,275,808
  5. Step 5: Solve for x
    x = 170,899,880,279,275,808/422,634,008.40
  6. Step 6: Final answer
    x = 404,368,500.60

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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.