Home / 2,112,288,323.88-3,168,428,131.26-1,191,746,781.48

Finding the Fourth Proportional to 2,112,288,323.88, 3,168,428,131.26 and 1,191,746,781.48

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Solution

The fourth proportional to 2,112,288,323.88, 3,168,428,131.26 and 1,191,746,781.48 is: 1,787,617,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,288,323.88 : 3,168,428,131.26 = 1,191,746,781.48 : x
  2. Step 2: Convert to fraction form
    2,112,288,323.88/3,168,428,131.26 = 1,191,746,781.48/x
  3. Step 3: Cross multiply
    2,112,288,323.88x = 3,168,428,131.26 × 1,191,746,781.48
  4. Step 4: Simplify right side
    2,112,288,323.88x = 3,775,964,027,779,796,480
  5. Step 5: Solve for x
    x = 3,775,964,027,779,796,480/2,112,288,323.88
  6. Step 6: Final answer
    x = 1,787,617,715.39

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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.