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Finding the Fourth Proportional to 605,359,397,364.47, 908,039,969,978.73 and 247,211,370,954.98

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Solution

The fourth proportional to 605,359,397,364.47, 908,039,969,978.73 and 247,211,370,954.98 is: 370,817,413,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,359,397,364.47 : 908,039,969,978.73 = 247,211,370,954.98 : x
  2. Step 2: Convert to fraction form
    605,359,397,364.47/908,039,969,978.73 = 247,211,370,954.98/x
  3. Step 3: Cross multiply
    605,359,397,364.47x = 908,039,969,978.73 × 247,211,370,954.98
  4. Step 4: Simplify right side
    605,359,397,364.47x = 224,477,805,860,360,743,288,832
  5. Step 5: Solve for x
    x = 224,477,805,860,360,743,288,832/605,359,397,364.47
  6. Step 6: Final answer
    x = 370,817,413,321.18

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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.