Home / 1,259,714,205.60-1,889,571,308.40-1,167,881,200.80

Finding the Fourth Proportional to 1,259,714,205.60, 1,889,571,308.40 and 1,167,881,200.80

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Solution

The fourth proportional to 1,259,714,205.60, 1,889,571,308.40 and 1,167,881,200.80 is: 1,751,821,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,205.60 : 1,889,571,308.40 = 1,167,881,200.80 : x
  2. Step 2: Convert to fraction form
    1,259,714,205.60/1,889,571,308.40 = 1,167,881,200.80/x
  3. Step 3: Cross multiply
    1,259,714,205.60x = 1,889,571,308.40 × 1,167,881,200.80
  4. Step 4: Simplify right side
    1,259,714,205.60x = 2,206,794,808,651,419,136
  5. Step 5: Solve for x
    x = 2,206,794,808,651,419,136/1,259,714,205.60
  6. Step 6: Final answer
    x = 1,751,821,801.20

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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.