Home / 300,744,964.20-451,054,460.70-147,500,999.40

Finding the Fourth Proportional to 300,744,964.20, 451,054,460.70 and 147,500,999.40

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Solution

The fourth proportional to 300,744,964.20, 451,054,460.70 and 147,500,999.40 is: 221,220,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,744,964.20 : 451,054,460.70 = 147,500,999.40 : x
  2. Step 2: Convert to fraction form
    300,744,964.20/451,054,460.70 = 147,500,999.40/x
  3. Step 3: Cross multiply
    300,744,964.20x = 451,054,460.70 × 147,500,999.40
  4. Step 4: Simplify right side
    300,744,964.20x = 66,530,983,737,078,024
  5. Step 5: Solve for x
    x = 66,530,983,737,078,024/300,744,964.20
  6. Step 6: Final answer
    x = 221,220,607.68

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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.