Home / 1,405,073,874.97-1,939,004,226.75-769,893,433.03

Finding the Fourth Proportional to 1,405,073,874.97, 1,939,004,226.75 and 769,893,433.03

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Solution

The fourth proportional to 1,405,073,874.97, 1,939,004,226.75 and 769,893,433.03 is: 1,062,454,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,073,874.97 : 1,939,004,226.75 = 769,893,433.03 : x
  2. Step 2: Convert to fraction form
    1,405,073,874.97/1,939,004,226.75 = 769,893,433.03/x
  3. Step 3: Cross multiply
    1,405,073,874.97x = 1,939,004,226.75 × 769,893,433.03
  4. Step 4: Simplify right side
    1,405,073,874.97x = 1,492,826,620,792,238,080
  5. Step 5: Solve for x
    x = 1,492,826,620,792,238,080/1,405,073,874.97
  6. Step 6: Final answer
    x = 1,062,454,186.49

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Half scale
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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.