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Finding the Fourth Proportional to 573,085,139.30, 859,627,708.95 and 245,504,906.90

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Solution

The fourth proportional to 573,085,139.30, 859,627,708.95 and 245,504,906.90 is: 368,257,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,085,139.30 : 859,627,708.95 = 245,504,906.90 : x
  2. Step 2: Convert to fraction form
    573,085,139.30/859,627,708.95 = 245,504,906.90/x
  3. Step 3: Cross multiply
    573,085,139.30x = 859,627,708.95 × 245,504,906.90
  4. Step 4: Simplify right side
    573,085,139.30x = 211,042,820,654,430,048
  5. Step 5: Solve for x
    x = 211,042,820,654,430,048/573,085,139.30
  6. Step 6: Final answer
    x = 368,257,360.35

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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.