Home / 1,259,714,882.70-1,889,572,324.05-441,531,938.70

Finding the Fourth Proportional to 1,259,714,882.70, 1,889,572,324.05 and 441,531,938.70

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Solution

The fourth proportional to 1,259,714,882.70, 1,889,572,324.05 and 441,531,938.70 is: 662,297,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,882.70 : 1,889,572,324.05 = 441,531,938.70 : x
  2. Step 2: Convert to fraction form
    1,259,714,882.70/1,889,572,324.05 = 441,531,938.70/x
  3. Step 3: Cross multiply
    1,259,714,882.70x = 1,889,572,324.05 × 441,531,938.70
  4. Step 4: Simplify right side
    1,259,714,882.70x = 834,306,531,551,661,056
  5. Step 5: Solve for x
    x = 834,306,531,551,661,056/1,259,714,882.70
  6. Step 6: Final answer
    x = 662,297,908.05

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Half scale
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Double scale
Find fourth proportional to 1,259,714,883.70, 1,889,572,325.55 and 441,531,939.70
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.