Home / 676,891,043.73-934,023,344.26-394,562,846.40

Finding the Fourth Proportional to 676,891,043.73, 934,023,344.26 and 394,562,846.40

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Solution

The fourth proportional to 676,891,043.73, 934,023,344.26 and 394,562,846.40 is: 544,446,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,891,043.73 : 934,023,344.26 = 394,562,846.40 : x
  2. Step 2: Convert to fraction form
    676,891,043.73/934,023,344.26 = 394,562,846.40/x
  3. Step 3: Cross multiply
    676,891,043.73x = 934,023,344.26 × 394,562,846.40
  4. Step 4: Simplify right side
    676,891,043.73x = 368,530,909,315,272,704
  5. Step 5: Solve for x
    x = 368,530,909,315,272,704/676,891,043.73
  6. Step 6: Final answer
    x = 544,446,425.65

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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.