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Finding the Fourth Proportional to 708,849,375.70, 1,063,274,063.55 and 613,297,887.70

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Solution

The fourth proportional to 708,849,375.70, 1,063,274,063.55 and 613,297,887.70 is: 919,946,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,849,375.70 : 1,063,274,063.55 = 613,297,887.70 : x
  2. Step 2: Convert to fraction form
    708,849,375.70/1,063,274,063.55 = 613,297,887.70/x
  3. Step 3: Cross multiply
    708,849,375.70x = 1,063,274,063.55 × 613,297,887.70
  4. Step 4: Simplify right side
    708,849,375.70x = 652,103,737,221,410,560
  5. Step 5: Solve for x
    x = 652,103,737,221,410,560/708,849,375.70
  6. Step 6: Final answer
    x = 919,946,831.55

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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.