Home / 1,259,713,536.80-1,889,570,305.20-1,217,387,213.60

Finding the Fourth Proportional to 1,259,713,536.80, 1,889,570,305.20 and 1,217,387,213.60

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Solution

The fourth proportional to 1,259,713,536.80, 1,889,570,305.20 and 1,217,387,213.60 is: 1,826,080,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,536.80 : 1,889,570,305.20 = 1,217,387,213.60 : x
  2. Step 2: Convert to fraction form
    1,259,713,536.80/1,889,570,305.20 = 1,217,387,213.60/x
  3. Step 3: Cross multiply
    1,259,713,536.80x = 1,889,570,305.20 × 1,217,387,213.60
  4. Step 4: Simplify right side
    1,259,713,536.80x = 2,300,338,728,748,729,344
  5. Step 5: Solve for x
    x = 2,300,338,728,748,729,344/1,259,713,536.80
  6. Step 6: Final answer
    x = 1,826,080,820.40

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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.