Home / 418,917,225.84-628,474,749.48-131,702,889.84

Finding the Fourth Proportional to 418,917,225.84, 628,474,749.48 and 131,702,889.84

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Solution

The fourth proportional to 418,917,225.84, 628,474,749.48 and 131,702,889.84 is: 197,585,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,917,225.84 : 628,474,749.48 = 131,702,889.84 : x
  2. Step 2: Convert to fraction form
    418,917,225.84/628,474,749.48 = 131,702,889.84/x
  3. Step 3: Cross multiply
    418,917,225.84x = 628,474,749.48 × 131,702,889.84
  4. Step 4: Simplify right side
    418,917,225.84x = 82,771,940,697,986,048
  5. Step 5: Solve for x
    x = 82,771,940,697,986,048/418,917,225.84
  6. Step 6: Final answer
    x = 197,585,431.18

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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.