Home / 619,246,853.70-928,870,280.55-210,303,004.20

Finding the Fourth Proportional to 619,246,853.70, 928,870,280.55 and 210,303,004.20

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Solution

The fourth proportional to 619,246,853.70, 928,870,280.55 and 210,303,004.20 is: 315,454,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,246,853.70 : 928,870,280.55 = 210,303,004.20 : x
  2. Step 2: Convert to fraction form
    619,246,853.70/928,870,280.55 = 210,303,004.20/x
  3. Step 3: Cross multiply
    619,246,853.70x = 928,870,280.55 × 210,303,004.20
  4. Step 4: Simplify right side
    619,246,853.70x = 195,344,210,511,761,792
  5. Step 5: Solve for x
    x = 195,344,210,511,761,792/619,246,853.70
  6. Step 6: Final answer
    x = 315,454,506.30

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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.