Home / 482,062,790.88-664,574,180.82-323,321,281.15

Finding the Fourth Proportional to 482,062,790.88, 664,574,180.82 and 323,321,281.15

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Solution

The fourth proportional to 482,062,790.88, 664,574,180.82 and 323,321,281.15 is: 445,732,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,062,790.88 : 664,574,180.82 = 323,321,281.15 : x
  2. Step 2: Convert to fraction form
    482,062,790.88/664,574,180.82 = 323,321,281.15/x
  3. Step 3: Cross multiply
    482,062,790.88x = 664,574,180.82 × 323,321,281.15
  4. Step 4: Simplify right side
    482,062,790.88x = 214,870,975,556,994,688
  5. Step 5: Solve for x
    x = 214,870,975,556,994,688/482,062,790.88
  6. Step 6: Final answer
    x = 445,732,339.48

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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.