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Finding the Fourth Proportional to 908,593,906.60, 1,362,890,859.90 and 295,240,133.80

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Solution

The fourth proportional to 908,593,906.60, 1,362,890,859.90 and 295,240,133.80 is: 442,860,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,593,906.60 : 1,362,890,859.90 = 295,240,133.80 : x
  2. Step 2: Convert to fraction form
    908,593,906.60/1,362,890,859.90 = 295,240,133.80/x
  3. Step 3: Cross multiply
    908,593,906.60x = 1,362,890,859.90 × 295,240,133.80
  4. Step 4: Simplify right side
    908,593,906.60x = 402,380,079,831,673,088
  5. Step 5: Solve for x
    x = 402,380,079,831,673,088/908,593,906.60
  6. Step 6: Final answer
    x = 442,860,200.70

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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.