Home / 300,306,869.70-450,460,304.55-235,809,615.30

Finding the Fourth Proportional to 300,306,869.70, 450,460,304.55 and 235,809,615.30

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Solution

The fourth proportional to 300,306,869.70, 450,460,304.55 and 235,809,615.30 is: 353,714,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,306,869.70 : 450,460,304.55 = 235,809,615.30 : x
  2. Step 2: Convert to fraction form
    300,306,869.70/450,460,304.55 = 235,809,615.30/x
  3. Step 3: Cross multiply
    300,306,869.70x = 450,460,304.55 × 235,809,615.30
  4. Step 4: Simplify right side
    300,306,869.70x = 106,222,871,123,856,352
  5. Step 5: Solve for x
    x = 106,222,871,123,856,352/300,306,869.70
  6. Step 6: Final answer
    x = 353,714,422.95

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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.