Home / 54,015,556,999.75-81,015,980,439.39-14,217,999,179.35

Finding the Fourth Proportional to 54,015,556,999.75, 81,015,980,439.39 and 14,217,999,179.35

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Solution

The fourth proportional to 54,015,556,999.75, 81,015,980,439.39 and 14,217,999,179.35 is: 21,325,062,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,015,556,999.75 : 81,015,980,439.39 = 14,217,999,179.35 : x
  2. Step 2: Convert to fraction form
    54,015,556,999.75/81,015,980,439.39 = 14,217,999,179.35/x
  3. Step 3: Cross multiply
    54,015,556,999.75x = 81,015,980,439.39 × 14,217,999,179.35
  4. Step 4: Simplify right side
    54,015,556,999.75x = 1,151,885,143,401,482,682,368
  5. Step 5: Solve for x
    x = 1,151,885,143,401,482,682,368/54,015,556,999.75
  6. Step 6: Final answer
    x = 21,325,062,766.77

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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.