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Finding the Fourth Proportional to 3,669,293,999.90, 5,151,523,482.10 and 3,669,293,999.90

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Solution

The fourth proportional to 3,669,293,999.90, 5,151,523,482.10 and 3,669,293,999.90 is: 5,151,523,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,293,999.90 : 5,151,523,482.10 = 3,669,293,999.90 : x
  2. Step 2: Convert to fraction form
    3,669,293,999.90/5,151,523,482.10 = 3,669,293,999.90/x
  3. Step 3: Cross multiply
    3,669,293,999.90x = 5,151,523,482.10 × 3,669,293,999.90
  4. Step 4: Simplify right side
    3,669,293,999.90x = 18,902,454,203,213,488,128
  5. Step 5: Solve for x
    x = 18,902,454,203,213,488,128/3,669,293,999.90
  6. Step 6: Final answer
    x = 5,151,523,482.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.