Home / 389,267,366.53-537,131,181.05-236,424,345.25

Finding the Fourth Proportional to 389,267,366.53, 537,131,181.05 and 236,424,345.25

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Solution

The fourth proportional to 389,267,366.53, 537,131,181.05 and 236,424,345.25 is: 326,230,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,267,366.53 : 537,131,181.05 = 236,424,345.25 : x
  2. Step 2: Convert to fraction form
    389,267,366.53/537,131,181.05 = 236,424,345.25/x
  3. Step 3: Cross multiply
    389,267,366.53x = 537,131,181.05 × 236,424,345.25
  4. Step 4: Simplify right side
    389,267,366.53x = 126,990,887,790,419,792
  5. Step 5: Solve for x
    x = 126,990,887,790,419,792/389,267,366.53
  6. Step 6: Final answer
    x = 326,230,500.45

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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.