Home / 1,726,477,872.40-2,589,716,808.60-1,209,492,067.60

Finding the Fourth Proportional to 1,726,477,872.40, 2,589,716,808.60 and 1,209,492,067.60

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Solution

The fourth proportional to 1,726,477,872.40, 2,589,716,808.60 and 1,209,492,067.60 is: 1,814,238,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,477,872.40 : 2,589,716,808.60 = 1,209,492,067.60 : x
  2. Step 2: Convert to fraction form
    1,726,477,872.40/2,589,716,808.60 = 1,209,492,067.60/x
  3. Step 3: Cross multiply
    1,726,477,872.40x = 2,589,716,808.60 × 1,209,492,067.60
  4. Step 4: Simplify right side
    1,726,477,872.40x = 3,132,241,937,332,087,296
  5. Step 5: Solve for x
    x = 3,132,241,937,332,087,296/1,726,477,872.40
  6. Step 6: Final answer
    x = 1,814,238,101.40

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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.