Home / 20,218,141,643.32-30,268,201,255.39-11,798,245,531

Finding the Fourth Proportional to 20,218,141,643.32, 30,268,201,255.39 and 11,798,245,531

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Solution

The fourth proportional to 20,218,141,643.32, 30,268,201,255.39 and 11,798,245,531 is: 17,662,932,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,141,643.32 : 30,268,201,255.39 = 11,798,245,531 : x
  2. Step 2: Convert to fraction form
    20,218,141,643.32/30,268,201,255.39 = 11,798,245,531/x
  3. Step 3: Cross multiply
    20,218,141,643.32x = 30,268,201,255.39 × 11,798,245,531
  4. Step 4: Simplify right side
    20,218,141,643.32x = 357,111,670,192,813,637,632
  5. Step 5: Solve for x
    x = 357,111,670,192,813,637,632/20,218,141,643.32
  6. Step 6: Final answer
    x = 17,662,932,454.07

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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.