Home / 39,159,589,059.62-58,739,310,218.73-12,270,215,340.96

Finding the Fourth Proportional to 39,159,589,059.62, 58,739,310,218.73 and 12,270,215,340.96

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Solution

The fourth proportional to 39,159,589,059.62, 58,739,310,218.73 and 12,270,215,340.96 is: 18,405,300,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159,589,059.62 : 58,739,310,218.73 = 12,270,215,340.96 : x
  2. Step 2: Convert to fraction form
    39,159,589,059.62/58,739,310,218.73 = 12,270,215,340.96/x
  3. Step 3: Cross multiply
    39,159,589,059.62x = 58,739,310,218.73 × 12,270,215,340.96
  4. Step 4: Simplify right side
    39,159,589,059.62x = 720,743,985,363,435,913,216
  5. Step 5: Solve for x
    x = 720,743,985,363,435,913,216/39,159,589,059.62
  6. Step 6: Final answer
    x = 18,405,300,021.56

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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.