Home / 209,751,974,924.32-314,492,687,603.34-82,279,546,743.16

Finding the Fourth Proportional to 209,751,974,924.32, 314,492,687,603.34 and 82,279,546,743.16

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Solution

The fourth proportional to 209,751,974,924.32, 314,492,687,603.34 and 82,279,546,743.16 is: 123,366,255,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,751,974,924.32 : 314,492,687,603.34 = 82,279,546,743.16 : x
  2. Step 2: Convert to fraction form
    209,751,974,924.32/314,492,687,603.34 = 82,279,546,743.16/x
  3. Step 3: Cross multiply
    209,751,974,924.32x = 314,492,687,603.34 × 82,279,546,743.16
  4. Step 4: Simplify right side
    209,751,974,924.32x = 25,876,315,790,041,033,998,336
  5. Step 5: Solve for x
    x = 25,876,315,790,041,033,998,336/209,751,974,924.32
  6. Step 6: Final answer
    x = 123,366,255,785.57

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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.