Home / 1,680,321,083.20-2,520,481,624.80-905,480,105.20

Finding the Fourth Proportional to 1,680,321,083.20, 2,520,481,624.80 and 905,480,105.20

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Solution

The fourth proportional to 1,680,321,083.20, 2,520,481,624.80 and 905,480,105.20 is: 1,358,220,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,321,083.20 : 2,520,481,624.80 = 905,480,105.20 : x
  2. Step 2: Convert to fraction form
    1,680,321,083.20/2,520,481,624.80 = 905,480,105.20/x
  3. Step 3: Cross multiply
    1,680,321,083.20x = 2,520,481,624.80 × 905,480,105.20
  4. Step 4: Simplify right side
    1,680,321,083.20x = 2,282,245,966,778,571,264
  5. Step 5: Solve for x
    x = 2,282,245,966,778,571,264/1,680,321,083.20
  6. Step 6: Final answer
    x = 1,358,220,157.80

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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.