Home / 431,606,973.41-595,593,168.27-243,424,019.78

Finding the Fourth Proportional to 431,606,973.41, 595,593,168.27 and 243,424,019.78

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Solution

The fourth proportional to 431,606,973.41, 595,593,168.27 and 243,424,019.78 is: 335,911,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,606,973.41 : 595,593,168.27 = 243,424,019.78 : x
  2. Step 2: Convert to fraction form
    431,606,973.41/595,593,168.27 = 243,424,019.78/x
  3. Step 3: Cross multiply
    431,606,973.41x = 595,593,168.27 × 243,424,019.78
  4. Step 4: Simplify right side
    431,606,973.41x = 144,981,683,170,811,392
  5. Step 5: Solve for x
    x = 144,981,683,170,811,392/431,606,973.41
  6. Step 6: Final answer
    x = 335,911,354.78

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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.