Home / 13,436,928,093.80-20,155,392,140.70-12,130,858,692.20

Finding the Fourth Proportional to 13,436,928,093.80, 20,155,392,140.70 and 12,130,858,692.20

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Solution

The fourth proportional to 13,436,928,093.80, 20,155,392,140.70 and 12,130,858,692.20 is: 18,196,288,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,928,093.80 : 20,155,392,140.70 = 12,130,858,692.20 : x
  2. Step 2: Convert to fraction form
    13,436,928,093.80/20,155,392,140.70 = 12,130,858,692.20/x
  3. Step 3: Cross multiply
    13,436,928,093.80x = 20,155,392,140.70 × 12,130,858,692.20
  4. Step 4: Simplify right side
    13,436,928,093.80x = 244,502,213,944,710,201,344
  5. Step 5: Solve for x
    x = 244,502,213,944,710,201,344/13,436,928,093.80
  6. Step 6: Final answer
    x = 18,196,288,038.30

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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.