Home / 1,023,509,455.10-1,535,268,680.43-324,005,027.32

Finding the Fourth Proportional to 1,023,509,455.10, 1,535,268,680.43 and 324,005,027.32

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Solution

The fourth proportional to 1,023,509,455.10, 1,535,268,680.43 and 324,005,027.32 is: 486,008,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,509,455.10 : 1,535,268,680.43 = 324,005,027.32 : x
  2. Step 2: Convert to fraction form
    1,023,509,455.10/1,535,268,680.43 = 324,005,027.32/x
  3. Step 3: Cross multiply
    1,023,509,455.10x = 1,535,268,680.43 × 324,005,027.32
  4. Step 4: Simplify right side
    1,023,509,455.10x = 497,434,770,738,339,200
  5. Step 5: Solve for x
    x = 497,434,770,738,339,200/1,023,509,455.10
  6. Step 6: Final answer
    x = 486,008,964.80

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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.