Home / 770,311,688.97-1,062,940,449.83-431,238,731.57

Finding the Fourth Proportional to 770,311,688.97, 1,062,940,449.83 and 431,238,731.57

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Solution

The fourth proportional to 770,311,688.97, 1,062,940,449.83 and 431,238,731.57 is: 595,059,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,311,688.97 : 1,062,940,449.83 = 431,238,731.57 : x
  2. Step 2: Convert to fraction form
    770,311,688.97/1,062,940,449.83 = 431,238,731.57/x
  3. Step 3: Cross multiply
    770,311,688.97x = 1,062,940,449.83 × 431,238,731.57
  4. Step 4: Simplify right side
    770,311,688.97x = 458,381,091,319,134,464
  5. Step 5: Solve for x
    x = 458,381,091,319,134,464/770,311,688.97
  6. Step 6: Final answer
    x = 595,059,244.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.