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Finding the Fourth Proportional to 409,200,539.60, 613,800,809.40 and 409,200,539.60

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Solution

The fourth proportional to 409,200,539.60, 613,800,809.40 and 409,200,539.60 is: 613,800,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,200,539.60 : 613,800,809.40 = 409,200,539.60 : x
  2. Step 2: Convert to fraction form
    409,200,539.60/613,800,809.40 = 409,200,539.60/x
  3. Step 3: Cross multiply
    409,200,539.60x = 613,800,809.40 × 409,200,539.60
  4. Step 4: Simplify right side
    409,200,539.60x = 251,167,622,413,396,768
  5. Step 5: Solve for x
    x = 251,167,622,413,396,768/409,200,539.60
  6. Step 6: Final answer
    x = 613,800,809.40

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1.5x scale

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.