Home / 13,401,971,685.70-20,102,957,528.55-8,907,894,013.30

Finding the Fourth Proportional to 13,401,971,685.70, 20,102,957,528.55 and 8,907,894,013.30

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Solution

The fourth proportional to 13,401,971,685.70, 20,102,957,528.55 and 8,907,894,013.30 is: 13,361,841,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,971,685.70 : 20,102,957,528.55 = 8,907,894,013.30 : x
  2. Step 2: Convert to fraction form
    13,401,971,685.70/20,102,957,528.55 = 8,907,894,013.30/x
  3. Step 3: Cross multiply
    13,401,971,685.70x = 20,102,957,528.55 × 8,907,894,013.30
  4. Step 4: Simplify right side
    13,401,971,685.70x = 179,075,015,018,194,698,240
  5. Step 5: Solve for x
    x = 179,075,015,018,194,698,240/13,401,971,685.70
  6. Step 6: Final answer
    x = 13,361,841,019.95

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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.