Home / 951,639,900.02-1,427,469,697.74-287,659,433.72

Finding the Fourth Proportional to 951,639,900.02, 1,427,469,697.74 and 287,659,433.72

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Solution

The fourth proportional to 951,639,900.02, 1,427,469,697.74 and 287,659,433.72 is: 431,492,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,639,900.02 : 1,427,469,697.74 = 287,659,433.72 : x
  2. Step 2: Convert to fraction form
    951,639,900.02/1,427,469,697.74 = 287,659,433.72/x
  3. Step 3: Cross multiply
    951,639,900.02x = 1,427,469,697.74 × 287,659,433.72
  4. Step 4: Simplify right side
    951,639,900.02x = 410,625,124,904,348,032
  5. Step 5: Solve for x
    x = 410,625,124,904,348,032/951,639,900.02
  6. Step 6: Final answer
    x = 431,492,127.32

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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.