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Finding the Fourth Proportional to 673,332,117.52, 1,009,105,296 and 345,794,400.40

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Solution

The fourth proportional to 673,332,117.52, 1,009,105,296 and 345,794,400.40 is: 518,233,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,332,117.52 : 1,009,105,296 = 345,794,400.40 : x
  2. Step 2: Convert to fraction form
    673,332,117.52/1,009,105,296 = 345,794,400.40/x
  3. Step 3: Cross multiply
    673,332,117.52x = 1,009,105,296 × 345,794,400.40
  4. Step 4: Simplify right side
    673,332,117.52x = 348,942,960,770,784,512
  5. Step 5: Solve for x
    x = 348,942,960,770,784,512/673,332,117.52
  6. Step 6: Final answer
    x = 518,233,055.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.