Home / 619,246,852.70-928,870,279.05-210,303,003.20

Finding the Fourth Proportional to 619,246,852.70, 928,870,279.05 and 210,303,003.20

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Solution

The fourth proportional to 619,246,852.70, 928,870,279.05 and 210,303,003.20 is: 315,454,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,246,852.70 : 928,870,279.05 = 210,303,003.20 : x
  2. Step 2: Convert to fraction form
    619,246,852.70/928,870,279.05 = 210,303,003.20/x
  3. Step 3: Cross multiply
    619,246,852.70x = 928,870,279.05 × 210,303,003.20
  4. Step 4: Simplify right side
    619,246,852.70x = 195,344,209,267,437,024
  5. Step 5: Solve for x
    x = 195,344,209,267,437,024/619,246,852.70
  6. Step 6: Final answer
    x = 315,454,504.80

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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.