Home / 1,259,714,889.20-1,889,572,333.80-441,531,945.20

Finding the Fourth Proportional to 1,259,714,889.20, 1,889,572,333.80 and 441,531,945.20

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Solution

The fourth proportional to 1,259,714,889.20, 1,889,572,333.80 and 441,531,945.20 is: 662,297,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,889.20 : 1,889,572,333.80 = 441,531,945.20 : x
  2. Step 2: Convert to fraction form
    1,259,714,889.20/1,889,572,333.80 = 441,531,945.20/x
  3. Step 3: Cross multiply
    1,259,714,889.20x = 1,889,572,333.80 × 441,531,945.20
  4. Step 4: Simplify right side
    1,259,714,889.20x = 834,306,548,138,817,664
  5. Step 5: Solve for x
    x = 834,306,548,138,817,664/1,259,714,889.20
  6. Step 6: Final answer
    x = 662,297,917.80

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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.