Home / 321,812,114.20-482,718,171.30-192,817,605.40

Finding the Fourth Proportional to 321,812,114.20, 482,718,171.30 and 192,817,605.40

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Solution

The fourth proportional to 321,812,114.20, 482,718,171.30 and 192,817,605.40 is: 289,226,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,812,114.20 : 482,718,171.30 = 192,817,605.40 : x
  2. Step 2: Convert to fraction form
    321,812,114.20/482,718,171.30 = 192,817,605.40/x
  3. Step 3: Cross multiply
    321,812,114.20x = 482,718,171.30 × 192,817,605.40
  4. Step 4: Simplify right side
    321,812,114.20x = 93,076,561,873,133,008
  5. Step 5: Solve for x
    x = 93,076,561,873,133,008/321,812,114.20
  6. Step 6: Final answer
    x = 289,226,408.10

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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.