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Finding the Fourth Proportional to 356,994,014.40, 535,491,021.60 and 356,994,014.40

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Solution

The fourth proportional to 356,994,014.40, 535,491,021.60 and 356,994,014.40 is: 535,491,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,994,014.40 : 535,491,021.60 = 356,994,014.40 : x
  2. Step 2: Convert to fraction form
    356,994,014.40/535,491,021.60 = 356,994,014.40/x
  3. Step 3: Cross multiply
    356,994,014.40x = 535,491,021.60 × 356,994,014.40
  4. Step 4: Simplify right side
    356,994,014.40x = 191,167,089,476,141,120
  5. Step 5: Solve for x
    x = 191,167,089,476,141,120/356,994,014.40
  6. Step 6: Final answer
    x = 535,491,021.60

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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.