Home / 13,227,340,539.70-19,841,010,809.55-12,217,177,486.90

Finding the Fourth Proportional to 13,227,340,539.70, 19,841,010,809.55 and 12,217,177,486.90

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Solution

The fourth proportional to 13,227,340,539.70, 19,841,010,809.55 and 12,217,177,486.90 is: 18,325,766,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,340,539.70 : 19,841,010,809.55 = 12,217,177,486.90 : x
  2. Step 2: Convert to fraction form
    13,227,340,539.70/19,841,010,809.55 = 12,217,177,486.90/x
  3. Step 3: Cross multiply
    13,227,340,539.70x = 19,841,010,809.55 × 12,217,177,486.90
  4. Step 4: Simplify right side
    13,227,340,539.70x = 242,401,150,579,773,800,448
  5. Step 5: Solve for x
    x = 242,401,150,579,773,800,448/13,227,340,539.70
  6. Step 6: Final answer
    x = 18,325,766,230.35

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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.