Home / 1,259,714,220.20-1,889,571,330.30-614,741,676.20

Finding the Fourth Proportional to 1,259,714,220.20, 1,889,571,330.30 and 614,741,676.20

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Solution

The fourth proportional to 1,259,714,220.20, 1,889,571,330.30 and 614,741,676.20 is: 922,112,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,220.20 : 1,889,571,330.30 = 614,741,676.20 : x
  2. Step 2: Convert to fraction form
    1,259,714,220.20/1,889,571,330.30 = 614,741,676.20/x
  3. Step 3: Cross multiply
    1,259,714,220.20x = 1,889,571,330.30 × 614,741,676.20
  4. Step 4: Simplify right side
    1,259,714,220.20x = 1,161,598,246,888,086,016
  5. Step 5: Solve for x
    x = 1,161,598,246,888,086,016/1,259,714,220.20
  6. Step 6: Final answer
    x = 922,112,514.30

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Half scale
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Double scale
Find fourth proportional to 1,259,714,221.20, 1,889,571,331.80 and 614,741,677.20
Similar ratio
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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.