Home / 321,812,093.20-482,718,139.80-192,817,584.40

Finding the Fourth Proportional to 321,812,093.20, 482,718,139.80 and 192,817,584.40

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Solution

The fourth proportional to 321,812,093.20, 482,718,139.80 and 192,817,584.40 is: 289,226,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,812,093.20 : 482,718,139.80 = 192,817,584.40 : x
  2. Step 2: Convert to fraction form
    321,812,093.20/482,718,139.80 = 192,817,584.40/x
  3. Step 3: Cross multiply
    321,812,093.20x = 482,718,139.80 × 192,817,584.40
  4. Step 4: Simplify right side
    321,812,093.20x = 93,076,545,662,297,504
  5. Step 5: Solve for x
    x = 93,076,545,662,297,504/321,812,093.20
  6. Step 6: Final answer
    x = 289,226,376.60

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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.