Home / 1,091,200,168.07-1,505,856,836.10-589,408,949.42

Finding the Fourth Proportional to 1,091,200,168.07, 1,505,856,836.10 and 589,408,949.42

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Solution

The fourth proportional to 1,091,200,168.07, 1,505,856,836.10 and 589,408,949.42 is: 813,384,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,200,168.07 : 1,505,856,836.10 = 589,408,949.42 : x
  2. Step 2: Convert to fraction form
    1,091,200,168.07/1,505,856,836.10 = 589,408,949.42/x
  3. Step 3: Cross multiply
    1,091,200,168.07x = 1,505,856,836.10 × 589,408,949.42
  4. Step 4: Simplify right side
    1,091,200,168.07x = 887,565,495,742,626,048
  5. Step 5: Solve for x
    x = 887,565,495,742,626,048/1,091,200,168.07
  6. Step 6: Final answer
    x = 813,384,676.54

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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.