Home / 430,397,425.90-594,131,715.90-289,350,448.39

Finding the Fourth Proportional to 430,397,425.90, 594,131,715.90 and 289,350,448.39

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Solution

The fourth proportional to 430,397,425.90, 594,131,715.90 and 289,350,448.39 is: 399,426,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,397,425.90 : 594,131,715.90 = 289,350,448.39 : x
  2. Step 2: Convert to fraction form
    430,397,425.90/594,131,715.90 = 289,350,448.39/x
  3. Step 3: Cross multiply
    430,397,425.90x = 594,131,715.90 × 289,350,448.39
  4. Step 4: Simplify right side
    430,397,425.90x = 171,912,278,398,042,720
  5. Step 5: Solve for x
    x = 171,912,278,398,042,720/430,397,425.90
  6. Step 6: Final answer
    x = 399,426,827.51

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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.