Home / 420,615,152.93-630,358,765.72-327,354,735.96

Finding the Fourth Proportional to 420,615,152.93, 630,358,765.72 and 327,354,735.96

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Solution

The fourth proportional to 420,615,152.93, 630,358,765.72 and 327,354,735.96 is: 490,593,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,615,152.93 : 630,358,765.72 = 327,354,735.96 : x
  2. Step 2: Convert to fraction form
    420,615,152.93/630,358,765.72 = 327,354,735.96/x
  3. Step 3: Cross multiply
    420,615,152.93x = 630,358,765.72 × 327,354,735.96
  4. Step 4: Simplify right side
    420,615,152.93x = 206,350,927,311,523,680
  5. Step 5: Solve for x
    x = 206,350,927,311,523,680/420,615,152.93
  6. Step 6: Final answer
    x = 490,593,184.47

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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.