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Finding the Fourth Proportional to 668,271,433.38, 922,195,862.01 and 366,856,697.40

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Solution

The fourth proportional to 668,271,433.38, 922,195,862.01 and 366,856,697.40 is: 506,251,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,271,433.38 : 922,195,862.01 = 366,856,697.40 : x
  2. Step 2: Convert to fraction form
    668,271,433.38/922,195,862.01 = 366,856,697.40/x
  3. Step 3: Cross multiply
    668,271,433.38x = 922,195,862.01 × 366,856,697.40
  4. Step 4: Simplify right side
    668,271,433.38x = 338,313,728,292,934,720
  5. Step 5: Solve for x
    x = 338,313,728,292,934,720/668,271,433.38
  6. Step 6: Final answer
    x = 506,251,967.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.