Home / 708,620,745.48-1,062,837,797.31-210,620,629.50

Finding the Fourth Proportional to 708,620,745.48, 1,062,837,797.31 and 210,620,629.50

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Solution

The fourth proportional to 708,620,745.48, 1,062,837,797.31 and 210,620,629.50 is: 315,903,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,620,745.48 : 1,062,837,797.31 = 210,620,629.50 : x
  2. Step 2: Convert to fraction form
    708,620,745.48/1,062,837,797.31 = 210,620,629.50/x
  3. Step 3: Cross multiply
    708,620,745.48x = 1,062,837,797.31 × 210,620,629.50
  4. Step 4: Simplify right side
    708,620,745.48x = 223,855,565,925,825,600
  5. Step 5: Solve for x
    x = 223,855,565,925,825,600/708,620,745.48
  6. Step 6: Final answer
    x = 315,903,206.83

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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.