Home / 630,143,200.80-945,214,801.20-324,033,184.80

Finding the Fourth Proportional to 630,143,200.80, 945,214,801.20 and 324,033,184.80

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Solution

The fourth proportional to 630,143,200.80, 945,214,801.20 and 324,033,184.80 is: 486,049,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,143,200.80 : 945,214,801.20 = 324,033,184.80 : x
  2. Step 2: Convert to fraction form
    630,143,200.80/945,214,801.20 = 324,033,184.80/x
  3. Step 3: Cross multiply
    630,143,200.80x = 945,214,801.20 × 324,033,184.80
  4. Step 4: Simplify right side
    630,143,200.80x = 306,280,962,352,934,912
  5. Step 5: Solve for x
    x = 306,280,962,352,934,912/630,143,200.80
  6. Step 6: Final answer
    x = 486,049,777.20

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1.5x scale

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.