Home / 431,606,975.41-595,593,171.03-243,424,021.78

Finding the Fourth Proportional to 431,606,975.41, 595,593,171.03 and 243,424,021.78

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Solution

The fourth proportional to 431,606,975.41, 595,593,171.03 and 243,424,021.78 is: 335,911,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,606,975.41 : 595,593,171.03 = 243,424,021.78 : x
  2. Step 2: Convert to fraction form
    431,606,975.41/595,593,171.03 = 243,424,021.78/x
  3. Step 3: Cross multiply
    431,606,975.41x = 595,593,171.03 × 243,424,021.78
  4. Step 4: Simplify right side
    431,606,975.41x = 144,981,685,036,825,984
  5. Step 5: Solve for x
    x = 144,981,685,036,825,984/431,606,975.41
  6. Step 6: Final answer
    x = 335,911,357.55

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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.