Home / 38,319,401,692.20-52,880,211,558.84-21,403,296,114.60

Finding the Fourth Proportional to 38,319,401,692.20, 52,880,211,558.84 and 21,403,296,114.60

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Solution

The fourth proportional to 38,319,401,692.20, 52,880,211,558.84 and 21,403,296,114.60 is: 29,536,234,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319,401,692.20 : 52,880,211,558.84 = 21,403,296,114.60 : x
  2. Step 2: Convert to fraction form
    38,319,401,692.20/52,880,211,558.84 = 21,403,296,114.60/x
  3. Step 3: Cross multiply
    38,319,401,692.20x = 52,880,211,558.84 × 21,403,296,114.60
  4. Step 4: Simplify right side
    38,319,401,692.20x = 1,131,810,826,596,545,986,560
  5. Step 5: Solve for x
    x = 1,131,810,826,596,545,986,560/38,319,401,692.20
  6. Step 6: Final answer
    x = 29,536,234,299.48

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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.