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Finding the Fourth Proportional to 490,068,014.10, 735,102,021.15 and 490,068,014.10

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Solution

The fourth proportional to 490,068,014.10, 735,102,021.15 and 490,068,014.10 is: 735,102,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,068,014.10 : 735,102,021.15 = 490,068,014.10 : x
  2. Step 2: Convert to fraction form
    490,068,014.10/735,102,021.15 = 490,068,014.10/x
  3. Step 3: Cross multiply
    490,068,014.10x = 735,102,021.15 × 490,068,014.10
  4. Step 4: Simplify right side
    490,068,014.10x = 360,249,987,665,876,736
  5. Step 5: Solve for x
    x = 360,249,987,665,876,736/490,068,014.10
  6. Step 6: Final answer
    x = 735,102,021.15

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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.