Home / 531,903,745.80-797,183,772.30-258,686,209.80

Finding the Fourth Proportional to 531,903,745.80, 797,183,772.30 and 258,686,209.80

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Solution

The fourth proportional to 531,903,745.80, 797,183,772.30 and 258,686,209.80 is: 387,702,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,903,745.80 : 797,183,772.30 = 258,686,209.80 : x
  2. Step 2: Convert to fraction form
    531,903,745.80/797,183,772.30 = 258,686,209.80/x
  3. Step 3: Cross multiply
    531,903,745.80x = 797,183,772.30 × 258,686,209.80
  4. Step 4: Simplify right side
    531,903,745.80x = 206,220,448,570,353,216
  5. Step 5: Solve for x
    x = 206,220,448,570,353,216/531,903,745.80
  6. Step 6: Final answer
    x = 387,702,568.74

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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.