Home / 645,680,661,639.55-968,520,992,459.30-645,680,661,639.55

Finding the Fourth Proportional to 645,680,661,639.55, 968,520,992,459.30 and 645,680,661,639.55

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Solution

The fourth proportional to 645,680,661,639.55, 968,520,992,459.30 and 645,680,661,639.55 is: 968,520,992,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,680,661,639.55 : 968,520,992,459.30 = 645,680,661,639.55 : x
  2. Step 2: Convert to fraction form
    645,680,661,639.55/968,520,992,459.30 = 645,680,661,639.55/x
  3. Step 3: Cross multiply
    645,680,661,639.55x = 968,520,992,459.30 × 645,680,661,639.55
  4. Step 4: Simplify right side
    645,680,661,639.55x = 625,355,275,222,914,481,258,496
  5. Step 5: Solve for x
    x = 625,355,275,222,914,481,258,496/645,680,661,639.55
  6. Step 6: Final answer
    x = 968,520,992,459.30

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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.