Home / 13,401,971,686.20-20,102,957,529.30-8,907,894,013.80

Finding the Fourth Proportional to 13,401,971,686.20, 20,102,957,529.30 and 8,907,894,013.80

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Solution

The fourth proportional to 13,401,971,686.20, 20,102,957,529.30 and 8,907,894,013.80 is: 13,361,841,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,971,686.20 : 20,102,957,529.30 = 8,907,894,013.80 : x
  2. Step 2: Convert to fraction form
    13,401,971,686.20/20,102,957,529.30 = 8,907,894,013.80/x
  3. Step 3: Cross multiply
    13,401,971,686.20x = 20,102,957,529.30 × 8,907,894,013.80
  4. Step 4: Simplify right side
    13,401,971,686.20x = 179,075,015,034,927,087,616
  5. Step 5: Solve for x
    x = 179,075,015,034,927,087,616/13,401,971,686.20
  6. Step 6: Final answer
    x = 13,361,841,020.70

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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.