Home / 358,170,515.20-537,255,772.80-329,505,068.80

Finding the Fourth Proportional to 358,170,515.20, 537,255,772.80 and 329,505,068.80

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Solution

The fourth proportional to 358,170,515.20, 537,255,772.80 and 329,505,068.80 is: 494,257,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,170,515.20 : 537,255,772.80 = 329,505,068.80 : x
  2. Step 2: Convert to fraction form
    358,170,515.20/537,255,772.80 = 329,505,068.80/x
  3. Step 3: Cross multiply
    358,170,515.20x = 537,255,772.80 × 329,505,068.80
  4. Step 4: Simplify right side
    358,170,515.20x = 177,028,500,379,661,152
  5. Step 5: Solve for x
    x = 177,028,500,379,661,152/358,170,515.20
  6. Step 6: Final answer
    x = 494,257,603.20

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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.