Home / 428,150,890.20-600,620,569.80-428,150,890.20

Finding the Fourth Proportional to 428,150,890.20, 600,620,569.80 and 428,150,890.20

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Solution

The fourth proportional to 428,150,890.20, 600,620,569.80 and 428,150,890.20 is: 600,620,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,150,890.20 : 600,620,569.80 = 428,150,890.20 : x
  2. Step 2: Convert to fraction form
    428,150,890.20/600,620,569.80 = 428,150,890.20/x
  3. Step 3: Cross multiply
    428,150,890.20x = 600,620,569.80 × 428,150,890.20
  4. Step 4: Simplify right side
    428,150,890.20x = 257,156,231,632,301,216
  5. Step 5: Solve for x
    x = 257,156,231,632,301,216/428,150,890.20
  6. Step 6: Final answer
    x = 600,620,569.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.