Home / 431,840,458.89-595,320,007.73-307,865,902.41

Finding the Fourth Proportional to 431,840,458.89, 595,320,007.73 and 307,865,902.41

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Solution

The fourth proportional to 431,840,458.89, 595,320,007.73 and 307,865,902.41 is: 424,413,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,840,458.89 : 595,320,007.73 = 307,865,902.41 : x
  2. Step 2: Convert to fraction form
    431,840,458.89/595,320,007.73 = 307,865,902.41/x
  3. Step 3: Cross multiply
    431,840,458.89x = 595,320,007.73 × 307,865,902.41
  4. Step 4: Simplify right side
    431,840,458.89x = 183,278,731,400,985,312
  5. Step 5: Solve for x
    x = 183,278,731,400,985,312/431,840,458.89
  6. Step 6: Final answer
    x = 424,413,061.88

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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.