Home / 329,040,011.97-453,810,452.15-289,262,495.12

Finding the Fourth Proportional to 329,040,011.97, 453,810,452.15 and 289,262,495.12

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Solution

The fourth proportional to 329,040,011.97, 453,810,452.15 and 289,262,495.12 is: 398,949,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,040,011.97 : 453,810,452.15 = 289,262,495.12 : x
  2. Step 2: Convert to fraction form
    329,040,011.97/453,810,452.15 = 289,262,495.12/x
  3. Step 3: Cross multiply
    329,040,011.97x = 453,810,452.15 × 289,262,495.12
  4. Step 4: Simplify right side
    329,040,011.97x = 131,270,343,698,898,464
  5. Step 5: Solve for x
    x = 131,270,343,698,898,464/329,040,011.97
  6. Step 6: Final answer
    x = 398,949,486.15

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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.