Home / 1,133,760,120.80-1,700,640,181.20-859,646,789.60

Finding the Fourth Proportional to 1,133,760,120.80, 1,700,640,181.20 and 859,646,789.60

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Solution

The fourth proportional to 1,133,760,120.80, 1,700,640,181.20 and 859,646,789.60 is: 1,289,470,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,760,120.80 : 1,700,640,181.20 = 859,646,789.60 : x
  2. Step 2: Convert to fraction form
    1,133,760,120.80/1,700,640,181.20 = 859,646,789.60/x
  3. Step 3: Cross multiply
    1,133,760,120.80x = 1,700,640,181.20 × 859,646,789.60
  4. Step 4: Simplify right side
    1,133,760,120.80x = 1,461,949,872,033,342,464
  5. Step 5: Solve for x
    x = 1,461,949,872,033,342,464/1,133,760,120.80
  6. Step 6: Final answer
    x = 1,289,470,184.40

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Double scale
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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.