Home / 1,259,714,272.80-1,889,571,409.20-892,382,253.60

Finding the Fourth Proportional to 1,259,714,272.80, 1,889,571,409.20 and 892,382,253.60

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Solution

The fourth proportional to 1,259,714,272.80, 1,889,571,409.20 and 892,382,253.60 is: 1,338,573,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,272.80 : 1,889,571,409.20 = 892,382,253.60 : x
  2. Step 2: Convert to fraction form
    1,259,714,272.80/1,889,571,409.20 = 892,382,253.60/x
  3. Step 3: Cross multiply
    1,259,714,272.80x = 1,889,571,409.20 × 892,382,253.60
  4. Step 4: Simplify right side
    1,259,714,272.80x = 1,686,219,992,480,023,808
  5. Step 5: Solve for x
    x = 1,686,219,992,480,023,808/1,259,714,272.80
  6. Step 6: Final answer
    x = 1,338,573,380.40

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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.