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Finding the Fourth Proportional to 300,306,871.20, 450,460,306.80 and 235,809,616.80

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Solution

The fourth proportional to 300,306,871.20, 450,460,306.80 and 235,809,616.80 is: 353,714,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,306,871.20 : 450,460,306.80 = 235,809,616.80 : x
  2. Step 2: Convert to fraction form
    300,306,871.20/450,460,306.80 = 235,809,616.80/x
  3. Step 3: Cross multiply
    300,306,871.20x = 450,460,306.80 × 235,809,616.80
  4. Step 4: Simplify right side
    300,306,871.20x = 106,222,872,330,118,448
  5. Step 5: Solve for x
    x = 106,222,872,330,118,448/300,306,871.20
  6. Step 6: Final answer
    x = 353,714,425.20

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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.