Home / 436,810,778.10-655,216,167.15-397,271,567.70

Finding the Fourth Proportional to 436,810,778.10, 655,216,167.15 and 397,271,567.70

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Solution

The fourth proportional to 436,810,778.10, 655,216,167.15 and 397,271,567.70 is: 595,907,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,810,778.10 : 655,216,167.15 = 397,271,567.70 : x
  2. Step 2: Convert to fraction form
    436,810,778.10/655,216,167.15 = 397,271,567.70/x
  3. Step 3: Cross multiply
    436,810,778.10x = 655,216,167.15 × 397,271,567.70
  4. Step 4: Simplify right side
    436,810,778.10x = 260,298,753,906,065,728
  5. Step 5: Solve for x
    x = 260,298,753,906,065,728/436,810,778.10
  6. Step 6: Final answer
    x = 595,907,351.55

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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.