Home / 1,259,714,231.40-1,889,571,347.10-441,720,244.20

Finding the Fourth Proportional to 1,259,714,231.40, 1,889,571,347.10 and 441,720,244.20

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Solution

The fourth proportional to 1,259,714,231.40, 1,889,571,347.10 and 441,720,244.20 is: 662,580,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,231.40 : 1,889,571,347.10 = 441,720,244.20 : x
  2. Step 2: Convert to fraction form
    1,259,714,231.40/1,889,571,347.10 = 441,720,244.20/x
  3. Step 3: Cross multiply
    1,259,714,231.40x = 1,889,571,347.10 × 441,720,244.20
  4. Step 4: Simplify right side
    1,259,714,231.40x = 834,661,916,874,334,848
  5. Step 5: Solve for x
    x = 834,661,916,874,334,848/1,259,714,231.40
  6. Step 6: Final answer
    x = 662,580,366.30

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Half scale
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Double scale
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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.