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Finding the Fourth Proportional to 408,147,492,048.60, 611,119,242,015.30 and 408,147,492,048.60

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Solution

The fourth proportional to 408,147,492,048.60, 611,119,242,015.30 and 408,147,492,048.60 is: 611,119,242,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,147,492,048.60 : 611,119,242,015.30 = 408,147,492,048.60 : x
  2. Step 2: Convert to fraction form
    408,147,492,048.60/611,119,242,015.30 = 408,147,492,048.60/x
  3. Step 3: Cross multiply
    408,147,492,048.60x = 611,119,242,015.30 × 408,147,492,048.60
  4. Step 4: Simplify right side
    408,147,492,048.60x = 249,426,785,971,186,113,183,744
  5. Step 5: Solve for x
    x = 249,426,785,971,186,113,183,744/408,147,492,048.60
  6. Step 6: Final answer
    x = 611,119,242,015.30

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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.