Home / 474,366,912.48-654,590,597.22-288,707,408.64

Finding the Fourth Proportional to 474,366,912.48, 654,590,597.22 and 288,707,408.64

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Solution

The fourth proportional to 474,366,912.48, 654,590,597.22 and 288,707,408.64 is: 398,394,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,366,912.48 : 654,590,597.22 = 288,707,408.64 : x
  2. Step 2: Convert to fraction form
    474,366,912.48/654,590,597.22 = 288,707,408.64/x
  3. Step 3: Cross multiply
    474,366,912.48x = 654,590,597.22 × 288,707,408.64
  4. Step 4: Simplify right side
    474,366,912.48x = 188,985,155,043,496,192
  5. Step 5: Solve for x
    x = 188,985,155,043,496,192/474,366,912.48
  6. Step 6: Final answer
    x = 398,394,470.76

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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.