Home / 1,809,009,742.20-2,713,514,613.30-1,189,136,959.80

Finding the Fourth Proportional to 1,809,009,742.20, 2,713,514,613.30 and 1,189,136,959.80

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Solution

The fourth proportional to 1,809,009,742.20, 2,713,514,613.30 and 1,189,136,959.80 is: 1,783,705,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,009,742.20 : 2,713,514,613.30 = 1,189,136,959.80 : x
  2. Step 2: Convert to fraction form
    1,809,009,742.20/2,713,514,613.30 = 1,189,136,959.80/x
  3. Step 3: Cross multiply
    1,809,009,742.20x = 2,713,514,613.30 × 1,189,136,959.80
  4. Step 4: Simplify right side
    1,809,009,742.20x = 3,226,740,517,632,434,688
  5. Step 5: Solve for x
    x = 3,226,740,517,632,434,688/1,809,009,742.20
  6. Step 6: Final answer
    x = 1,783,705,439.70

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Double scale
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Similar ratio
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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.