Home / 825,795,572.42-1,139,597,826.44-449,454,858.60

Finding the Fourth Proportional to 825,795,572.42, 1,139,597,826.44 and 449,454,858.60

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Solution

The fourth proportional to 825,795,572.42, 1,139,597,826.44 and 449,454,858.60 is: 620,247,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,795,572.42 : 1,139,597,826.44 = 449,454,858.60 : x
  2. Step 2: Convert to fraction form
    825,795,572.42/1,139,597,826.44 = 449,454,858.60/x
  3. Step 3: Cross multiply
    825,795,572.42x = 1,139,597,826.44 × 449,454,858.60
  4. Step 4: Simplify right side
    825,795,572.42x = 512,197,779,943,457,600
  5. Step 5: Solve for x
    x = 512,197,779,943,457,600/825,795,572.42
  6. Step 6: Final answer
    x = 620,247,670.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.