Home / 13,466,749,114.80-20,200,123,672.20-8,507,766,855.60

Finding the Fourth Proportional to 13,466,749,114.80, 20,200,123,672.20 and 8,507,766,855.60

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Solution

The fourth proportional to 13,466,749,114.80, 20,200,123,672.20 and 8,507,766,855.60 is: 12,761,650,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,749,114.80 : 20,200,123,672.20 = 8,507,766,855.60 : x
  2. Step 2: Convert to fraction form
    13,466,749,114.80/20,200,123,672.20 = 8,507,766,855.60/x
  3. Step 3: Cross multiply
    13,466,749,114.80x = 20,200,123,672.20 × 8,507,766,855.60
  4. Step 4: Simplify right side
    13,466,749,114.80x = 171,857,942,657,364,131,840
  5. Step 5: Solve for x
    x = 171,857,942,657,364,131,840/13,466,749,114.80
  6. Step 6: Final answer
    x = 12,761,650,283.40

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Double scale
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1.5x scale

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.