Home / 663,552,016.80-995,328,025.20-178,926,813.60

Finding the Fourth Proportional to 663,552,016.80, 995,328,025.20 and 178,926,813.60

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Solution

The fourth proportional to 663,552,016.80, 995,328,025.20 and 178,926,813.60 is: 268,390,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,016.80 : 995,328,025.20 = 178,926,813.60 : x
  2. Step 2: Convert to fraction form
    663,552,016.80/995,328,025.20 = 178,926,813.60/x
  3. Step 3: Cross multiply
    663,552,016.80x = 995,328,025.20 × 178,926,813.60
  4. Step 4: Simplify right side
    663,552,016.80x = 178,090,872,035,816,512
  5. Step 5: Solve for x
    x = 178,090,872,035,816,512/663,552,016.80
  6. Step 6: Final answer
    x = 268,390,220.40

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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.