Home / 430,397,427.03-594,131,717.45-289,350,449.52

Finding the Fourth Proportional to 430,397,427.03, 594,131,717.45 and 289,350,449.52

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Solution

The fourth proportional to 430,397,427.03, 594,131,717.45 and 289,350,449.52 is: 399,426,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,397,427.03 : 594,131,717.45 = 289,350,449.52 : x
  2. Step 2: Convert to fraction form
    430,397,427.03/594,131,717.45 = 289,350,449.52/x
  3. Step 3: Cross multiply
    430,397,427.03x = 594,131,717.45 × 289,350,449.52
  4. Step 4: Simplify right side
    430,397,427.03x = 171,912,279,515,276,480
  5. Step 5: Solve for x
    x = 171,912,279,515,276,480/430,397,427.03
  6. Step 6: Final answer
    x = 399,426,829.07

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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.