Home / 1,040,370,899.58-1,434,322,954.40-826,499,173.64

Finding the Fourth Proportional to 1,040,370,899.58, 1,434,322,954.40 and 826,499,173.64

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Solution

The fourth proportional to 1,040,370,899.58, 1,434,322,954.40 and 826,499,173.64 is: 1,139,465,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,370,899.58 : 1,434,322,954.40 = 826,499,173.64 : x
  2. Step 2: Convert to fraction form
    1,040,370,899.58/1,434,322,954.40 = 826,499,173.64/x
  3. Step 3: Cross multiply
    1,040,370,899.58x = 1,434,322,954.40 × 826,499,173.64
  4. Step 4: Simplify right side
    1,040,370,899.58x = 1,185,466,736,533,179,136
  5. Step 5: Solve for x
    x = 1,185,466,736,533,179,136/1,040,370,899.58
  6. Step 6: Final answer
    x = 1,139,465,489.67

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Double scale
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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.