Home / 1,853,557,714.80-2,780,336,572.20-979,821,471.60

Finding the Fourth Proportional to 1,853,557,714.80, 2,780,336,572.20 and 979,821,471.60

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Solution

The fourth proportional to 1,853,557,714.80, 2,780,336,572.20 and 979,821,471.60 is: 1,469,732,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,557,714.80 : 2,780,336,572.20 = 979,821,471.60 : x
  2. Step 2: Convert to fraction form
    1,853,557,714.80/2,780,336,572.20 = 979,821,471.60/x
  3. Step 3: Cross multiply
    1,853,557,714.80x = 2,780,336,572.20 × 979,821,471.60
  4. Step 4: Simplify right side
    1,853,557,714.80x = 2,724,233,471,716,303,360
  5. Step 5: Solve for x
    x = 2,724,233,471,716,303,360/1,853,557,714.80
  6. Step 6: Final answer
    x = 1,469,732,207.40

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1.5x scale

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.