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Finding the Fourth Proportional to 664,281,010.58, 996,421,515.86 and 664,281,010.58

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Solution

The fourth proportional to 664,281,010.58, 996,421,515.86 and 664,281,010.58 is: 996,421,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,281,010.58 : 996,421,515.86 = 664,281,010.58 : x
  2. Step 2: Convert to fraction form
    664,281,010.58/996,421,515.86 = 664,281,010.58/x
  3. Step 3: Cross multiply
    664,281,010.58x = 996,421,515.86 × 664,281,010.58
  4. Step 4: Simplify right side
    664,281,010.58x = 661,903,891,515,814,912
  5. Step 5: Solve for x
    x = 661,903,891,515,814,912/664,281,010.58
  6. Step 6: Final answer
    x = 996,421,515.86

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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.