Home / 1,402,562,912.80-2,103,844,369.20-636,658,016.80

Finding the Fourth Proportional to 1,402,562,912.80, 2,103,844,369.20 and 636,658,016.80

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Solution

The fourth proportional to 1,402,562,912.80, 2,103,844,369.20 and 636,658,016.80 is: 954,987,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,562,912.80 : 2,103,844,369.20 = 636,658,016.80 : x
  2. Step 2: Convert to fraction form
    1,402,562,912.80/2,103,844,369.20 = 636,658,016.80/x
  3. Step 3: Cross multiply
    1,402,562,912.80x = 2,103,844,369.20 × 636,658,016.80
  4. Step 4: Simplify right side
    1,402,562,912.80x = 1,339,429,383,750,718,976
  5. Step 5: Solve for x
    x = 1,339,429,383,750,718,976/1,402,562,912.80
  6. Step 6: Final answer
    x = 954,987,025.20

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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.