Home / 482,979,328.20-724,468,992.30-159,863,200.20

Finding the Fourth Proportional to 482,979,328.20, 724,468,992.30 and 159,863,200.20

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Solution

The fourth proportional to 482,979,328.20, 724,468,992.30 and 159,863,200.20 is: 239,794,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,979,328.20 : 724,468,992.30 = 159,863,200.20 : x
  2. Step 2: Convert to fraction form
    482,979,328.20/724,468,992.30 = 159,863,200.20/x
  3. Step 3: Cross multiply
    482,979,328.20x = 724,468,992.30 × 159,863,200.20
  4. Step 4: Simplify right side
    482,979,328.20x = 115,815,931,554,747,136
  5. Step 5: Solve for x
    x = 115,815,931,554,747,136/482,979,328.20
  6. Step 6: Final answer
    x = 239,794,800.30

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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.