Home / 770,311,687.97-1,062,940,448.45-431,238,730.57

Finding the Fourth Proportional to 770,311,687.97, 1,062,940,448.45 and 431,238,730.57

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Solution

The fourth proportional to 770,311,687.97, 1,062,940,448.45 and 431,238,730.57 is: 595,059,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,311,687.97 : 1,062,940,448.45 = 431,238,730.57 : x
  2. Step 2: Convert to fraction form
    770,311,687.97/1,062,940,448.45 = 431,238,730.57/x
  3. Step 3: Cross multiply
    770,311,687.97x = 1,062,940,448.45 × 431,238,730.57
  4. Step 4: Simplify right side
    770,311,687.97x = 458,381,089,659,505,280
  5. Step 5: Solve for x
    x = 458,381,089,659,505,280/770,311,687.97
  6. Step 6: Final answer
    x = 595,059,242.66

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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.