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Finding the Fourth Proportional to 73,207,248,622.40, 109,810,872,933.60 and 73,207,248,622.40

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Solution

The fourth proportional to 73,207,248,622.40, 109,810,872,933.60 and 73,207,248,622.40 is: 109,810,872,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,207,248,622.40 : 109,810,872,933.60 = 73,207,248,622.40 : x
  2. Step 2: Convert to fraction form
    73,207,248,622.40/109,810,872,933.60 = 73,207,248,622.40/x
  3. Step 3: Cross multiply
    73,207,248,622.40x = 109,810,872,933.60 × 73,207,248,622.40
  4. Step 4: Simplify right side
    73,207,248,622.40x = 8,038,951,876,292,829,511,680
  5. Step 5: Solve for x
    x = 8,038,951,876,292,829,511,680/73,207,248,622.40
  6. Step 6: Final answer
    x = 109,810,872,933.60

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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.