Home / 13,401,971,678.20-20,102,957,517.30-8,907,894,005.80

Finding the Fourth Proportional to 13,401,971,678.20, 20,102,957,517.30 and 8,907,894,005.80

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Solution

The fourth proportional to 13,401,971,678.20, 20,102,957,517.30 and 8,907,894,005.80 is: 13,361,841,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,971,678.20 : 20,102,957,517.30 = 8,907,894,005.80 : x
  2. Step 2: Convert to fraction form
    13,401,971,678.20/20,102,957,517.30 = 8,907,894,005.80/x
  3. Step 3: Cross multiply
    13,401,971,678.20x = 20,102,957,517.30 × 8,907,894,005.80
  4. Step 4: Simplify right side
    13,401,971,678.20x = 179,075,014,767,208,693,760
  5. Step 5: Solve for x
    x = 179,075,014,767,208,693,760/13,401,971,678.20
  6. Step 6: Final answer
    x = 13,361,841,008.70

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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.