Home / 645,680,661,630.05-968,520,992,445.05-645,680,661,630.05

Finding the Fourth Proportional to 645,680,661,630.05, 968,520,992,445.05 and 645,680,661,630.05

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Solution

The fourth proportional to 645,680,661,630.05, 968,520,992,445.05 and 645,680,661,630.05 is: 968,520,992,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,680,661,630.05 : 968,520,992,445.05 = 645,680,661,630.05 : x
  2. Step 2: Convert to fraction form
    645,680,661,630.05/968,520,992,445.05 = 645,680,661,630.05/x
  3. Step 3: Cross multiply
    645,680,661,630.05x = 968,520,992,445.05 × 645,680,661,630.05
  4. Step 4: Simplify right side
    645,680,661,630.05x = 625,355,275,204,512,559,661,056
  5. Step 5: Solve for x
    x = 625,355,275,204,512,559,661,056/645,680,661,630.05
  6. Step 6: Final answer
    x = 968,520,992,445.05

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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.