Home / 585,063,147.43-807,369,645.31-320,736,106.63

Finding the Fourth Proportional to 585,063,147.43, 807,369,645.31 and 320,736,106.63

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Solution

The fourth proportional to 585,063,147.43, 807,369,645.31 and 320,736,106.63 is: 442,606,234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,063,147.43 : 807,369,645.31 = 320,736,106.63 : x
  2. Step 2: Convert to fraction form
    585,063,147.43/807,369,645.31 = 320,736,106.63/x
  3. Step 3: Cross multiply
    585,063,147.43x = 807,369,645.31 × 320,736,106.63
  4. Step 4: Simplify right side
    585,063,147.43x = 258,952,596,647,973,408
  5. Step 5: Solve for x
    x = 258,952,596,647,973,408/585,063,147.43
  6. Step 6: Final answer
    x = 442,606,234.53

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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.