Home / 1,259,714,512.80-1,889,571,769.20-441,909,482.40

Finding the Fourth Proportional to 1,259,714,512.80, 1,889,571,769.20 and 441,909,482.40

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Solution

The fourth proportional to 1,259,714,512.80, 1,889,571,769.20 and 441,909,482.40 is: 662,864,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,512.80 : 1,889,571,769.20 = 441,909,482.40 : x
  2. Step 2: Convert to fraction form
    1,259,714,512.80/1,889,571,769.20 = 441,909,482.40/x
  3. Step 3: Cross multiply
    1,259,714,512.80x = 1,889,571,769.20 × 441,909,482.40
  4. Step 4: Simplify right side
    1,259,714,512.80x = 835,019,682,484,824,192
  5. Step 5: Solve for x
    x = 835,019,682,484,824,192/1,259,714,512.80
  6. Step 6: Final answer
    x = 662,864,223.60

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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.