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Finding the Fourth Proportional to 674,477,714.70, 930,494,230.70 and 451,531,216.80

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Solution

The fourth proportional to 674,477,714.70, 930,494,230.70 and 451,531,216.80 is: 622,922,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,477,714.70 : 930,494,230.70 = 451,531,216.80 : x
  2. Step 2: Convert to fraction form
    674,477,714.70/930,494,230.70 = 451,531,216.80/x
  3. Step 3: Cross multiply
    674,477,714.70x = 930,494,230.70 × 451,531,216.80
  4. Step 4: Simplify right side
    674,477,714.70x = 420,147,192,211,093,312
  5. Step 5: Solve for x
    x = 420,147,192,211,093,312/674,477,714.70
  6. Step 6: Final answer
    x = 622,922,274.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.