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Finding the Fourth Proportional to 475,793,466.15, 713,674,494.92 and 195,664,686.15

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Solution

The fourth proportional to 475,793,466.15, 713,674,494.92 and 195,664,686.15 is: 293,490,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,793,466.15 : 713,674,494.92 = 195,664,686.15 : x
  2. Step 2: Convert to fraction form
    475,793,466.15/713,674,494.92 = 195,664,686.15/x
  3. Step 3: Cross multiply
    475,793,466.15x = 713,674,494.92 × 195,664,686.15
  4. Step 4: Simplify right side
    475,793,466.15x = 139,640,896,062,270,736
  5. Step 5: Solve for x
    x = 139,640,896,062,270,736/475,793,466.15
  6. Step 6: Final answer
    x = 293,490,571.01

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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.