Home / 433,030,800.60-649,546,200.90-420,276,216.60

Finding the Fourth Proportional to 433,030,800.60, 649,546,200.90 and 420,276,216.60

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Solution

The fourth proportional to 433,030,800.60, 649,546,200.90 and 420,276,216.60 is: 630,414,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,030,800.60 : 649,546,200.90 = 420,276,216.60 : x
  2. Step 2: Convert to fraction form
    433,030,800.60/649,546,200.90 = 420,276,216.60/x
  3. Step 3: Cross multiply
    433,030,800.60x = 649,546,200.90 × 420,276,216.60
  4. Step 4: Simplify right side
    433,030,800.60x = 272,988,819,821,155,520
  5. Step 5: Solve for x
    x = 272,988,819,821,155,520/433,030,800.60
  6. Step 6: Final answer
    x = 630,414,324.90

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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.