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Finding the Fourth Proportional to 475,793,448.90, 713,674,469.07 and 195,664,668.90

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Solution

The fourth proportional to 475,793,448.90, 713,674,469.07 and 195,664,668.90 is: 293,490,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,793,448.90 : 713,674,469.07 = 195,664,668.90 : x
  2. Step 2: Convert to fraction form
    475,793,448.90/713,674,469.07 = 195,664,668.90/x
  3. Step 3: Cross multiply
    475,793,448.90x = 713,674,469.07 × 195,664,668.90
  4. Step 4: Simplify right side
    475,793,448.90x = 139,640,878,692,964,848
  5. Step 5: Solve for x
    x = 139,640,878,692,964,848/475,793,448.90
  6. Step 6: Final answer
    x = 293,490,545.14

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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.