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Finding the Fourth Proportional to 620,807,687.59, 930,444,733.87 and 532,750,238.94

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Solution

The fourth proportional to 620,807,687.59, 930,444,733.87 and 532,750,238.94 is: 798,467,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,807,687.59 : 930,444,733.87 = 532,750,238.94 : x
  2. Step 2: Convert to fraction form
    620,807,687.59/930,444,733.87 = 532,750,238.94/x
  3. Step 3: Cross multiply
    620,807,687.59x = 930,444,733.87 × 532,750,238.94
  4. Step 4: Simplify right side
    620,807,687.59x = 495,694,654,289,707,200
  5. Step 5: Solve for x
    x = 495,694,654,289,707,200/620,807,687.59
  6. Step 6: Final answer
    x = 798,467,326.03

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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.