Home / 13,401,971,684.70-20,102,957,527.05-8,907,894,012.30

Finding the Fourth Proportional to 13,401,971,684.70, 20,102,957,527.05 and 8,907,894,012.30

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Solution

The fourth proportional to 13,401,971,684.70, 20,102,957,527.05 and 8,907,894,012.30 is: 13,361,841,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,971,684.70 : 20,102,957,527.05 = 8,907,894,012.30 : x
  2. Step 2: Convert to fraction form
    13,401,971,684.70/20,102,957,527.05 = 8,907,894,012.30/x
  3. Step 3: Cross multiply
    13,401,971,684.70x = 20,102,957,527.05 × 8,907,894,012.30
  4. Step 4: Simplify right side
    13,401,971,684.70x = 179,075,014,984,729,886,720
  5. Step 5: Solve for x
    x = 179,075,014,984,729,886,720/13,401,971,684.70
  6. Step 6: Final answer
    x = 13,361,841,018.45

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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.