Home / 1,010,018,178.80-1,394,787,698.52-954,993,155.12

Finding the Fourth Proportional to 1,010,018,178.80, 1,394,787,698.52 and 954,993,155.12

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Solution

The fourth proportional to 1,010,018,178.80, 1,394,787,698.52 and 954,993,155.12 is: 1,318,800,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,018,178.80 : 1,394,787,698.52 = 954,993,155.12 : x
  2. Step 2: Convert to fraction form
    1,010,018,178.80/1,394,787,698.52 = 954,993,155.12/x
  3. Step 3: Cross multiply
    1,010,018,178.80x = 1,394,787,698.52 × 954,993,155.12
  4. Step 4: Simplify right side
    1,010,018,178.80x = 1,332,012,704,932,178,176
  5. Step 5: Solve for x
    x = 1,332,012,704,932,178,176/1,010,018,178.80
  6. Step 6: Final answer
    x = 1,318,800,723.48

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Double scale
Find fourth proportional to 1,010,018,179.80, 1,394,787,699.90 and 954,993,156.12
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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.