Home / 699,104,826.64-1,048,540,323-256,356,015.20

Finding the Fourth Proportional to 699,104,826.64, 1,048,540,323 and 256,356,015.20

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Solution

The fourth proportional to 699,104,826.64, 1,048,540,323 and 256,356,015.20 is: 384,491,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,104,826.64 : 1,048,540,323 = 256,356,015.20 : x
  2. Step 2: Convert to fraction form
    699,104,826.64/1,048,540,323 = 256,356,015.20/x
  3. Step 3: Cross multiply
    699,104,826.64x = 1,048,540,323 × 256,356,015.20
  4. Step 4: Simplify right side
    699,104,826.64x = 268,799,618,980,800,896
  5. Step 5: Solve for x
    x = 268,799,618,980,800,896/699,104,826.64
  6. Step 6: Final answer
    x = 384,491,150.31

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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.