Home / 418,396,867.20-577,370,338.46-227,658,672.22

Finding the Fourth Proportional to 418,396,867.20, 577,370,338.46 and 227,658,672.22

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Solution

The fourth proportional to 418,396,867.20, 577,370,338.46 and 227,658,672.22 is: 314,159,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,396,867.20 : 577,370,338.46 = 227,658,672.22 : x
  2. Step 2: Convert to fraction form
    418,396,867.20/577,370,338.46 = 227,658,672.22/x
  3. Step 3: Cross multiply
    418,396,867.20x = 577,370,338.46 × 227,658,672.22
  4. Step 4: Simplify right side
    418,396,867.20x = 131,443,364,633,015,600
  5. Step 5: Solve for x
    x = 131,443,364,633,015,600/418,396,867.20
  6. Step 6: Final answer
    x = 314,159,533.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.