Home / 40,140,040,161.74-60,236,586,103.72-18,898,563,441.65

Finding the Fourth Proportional to 40,140,040,161.74, 60,236,586,103.72 and 18,898,563,441.65

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Solution

The fourth proportional to 40,140,040,161.74, 60,236,586,103.72 and 18,898,563,441.65 is: 28,360,333,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140,040,161.74 : 60,236,586,103.72 = 18,898,563,441.65 : x
  2. Step 2: Convert to fraction form
    40,140,040,161.74/60,236,586,103.72 = 18,898,563,441.65/x
  3. Step 3: Cross multiply
    40,140,040,161.74x = 60,236,586,103.72 × 18,898,563,441.65
  4. Step 4: Simplify right side
    40,140,040,161.74x = 1,138,384,943,989,689,286,656
  5. Step 5: Solve for x
    x = 1,138,384,943,989,689,286,656/40,140,040,161.74
  6. Step 6: Final answer
    x = 28,360,333,955.89

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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.