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Finding the Fourth Proportional to 446,589,813.85, 669,773,347.08 and 131,393,123.13

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Solution

The fourth proportional to 446,589,813.85, 669,773,347.08 and 131,393,123.13 is: 197,056,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,589,813.85 : 669,773,347.08 = 131,393,123.13 : x
  2. Step 2: Convert to fraction form
    446,589,813.85/669,773,347.08 = 131,393,123.13/x
  3. Step 3: Cross multiply
    446,589,813.85x = 669,773,347.08 × 131,393,123.13
  4. Step 4: Simplify right side
    446,589,813.85x = 88,003,611,858,725,808
  5. Step 5: Solve for x
    x = 88,003,611,858,725,808/446,589,813.85
  6. Step 6: Final answer
    x = 197,056,916.95

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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.