Home / 793,969,123.77-1,191,010,568.72-211,700,319.21

Finding the Fourth Proportional to 793,969,123.77, 1,191,010,568.72 and 211,700,319.21

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Solution

The fourth proportional to 793,969,123.77, 1,191,010,568.72 and 211,700,319.21 is: 317,565,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,969,123.77 : 1,191,010,568.72 = 211,700,319.21 : x
  2. Step 2: Convert to fraction form
    793,969,123.77/1,191,010,568.72 = 211,700,319.21/x
  3. Step 3: Cross multiply
    793,969,123.77x = 1,191,010,568.72 × 211,700,319.21
  4. Step 4: Simplify right side
    793,969,123.77x = 252,137,317,579,449,120
  5. Step 5: Solve for x
    x = 252,137,317,579,449,120/793,969,123.77
  6. Step 6: Final answer
    x = 317,565,645.86

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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.