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Finding the Fourth Proportional to 441,084,807.60, 661,627,211.40 and 441,084,807.60

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Solution

The fourth proportional to 441,084,807.60, 661,627,211.40 and 441,084,807.60 is: 661,627,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,084,807.60 : 661,627,211.40 = 441,084,807.60 : x
  2. Step 2: Convert to fraction form
    441,084,807.60/661,627,211.40 = 441,084,807.60/x
  3. Step 3: Cross multiply
    441,084,807.60x = 661,627,211.40 × 441,084,807.60
  4. Step 4: Simplify right side
    441,084,807.60x = 291,833,711,243,293,504
  5. Step 5: Solve for x
    x = 291,833,711,243,293,504/441,084,807.60
  6. Step 6: Final answer
    x = 661,627,211.40

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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.