Home / 329,928,858.15-455,251,211.24-190,672,726.65

Finding the Fourth Proportional to 329,928,858.15, 455,251,211.24 and 190,672,726.65

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Solution

The fourth proportional to 329,928,858.15, 455,251,211.24 and 190,672,726.65 is: 263,099,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,928,858.15 : 455,251,211.24 = 190,672,726.65 : x
  2. Step 2: Convert to fraction form
    329,928,858.15/455,251,211.24 = 190,672,726.65/x
  3. Step 3: Cross multiply
    329,928,858.15x = 455,251,211.24 × 190,672,726.65
  4. Step 4: Simplify right side
    329,928,858.15x = 86,803,989,756,892,576
  5. Step 5: Solve for x
    x = 86,803,989,756,892,576/329,928,858.15
  6. Step 6: Final answer
    x = 263,099,112.47

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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.