Home / 514,907,355.20-772,361,032.80-297,229,121.60

Finding the Fourth Proportional to 514,907,355.20, 772,361,032.80 and 297,229,121.60

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Solution

The fourth proportional to 514,907,355.20, 772,361,032.80 and 297,229,121.60 is: 445,843,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,907,355.20 : 772,361,032.80 = 297,229,121.60 : x
  2. Step 2: Convert to fraction form
    514,907,355.20/772,361,032.80 = 297,229,121.60/x
  3. Step 3: Cross multiply
    514,907,355.20x = 772,361,032.80 × 297,229,121.60
  4. Step 4: Simplify right side
    514,907,355.20x = 229,568,191,337,212,800
  5. Step 5: Solve for x
    x = 229,568,191,337,212,800/514,907,355.20
  6. Step 6: Final answer
    x = 445,843,682.40

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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.