Home / 18,772,906,721.45-28,159,370,194.01-6,980,492,924.33

Finding the Fourth Proportional to 18,772,906,721.45, 28,159,370,194.01 and 6,980,492,924.33

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Solution

The fourth proportional to 18,772,906,721.45, 28,159,370,194.01 and 6,980,492,924.33 is: 10,470,743,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772,906,721.45 : 28,159,370,194.01 = 6,980,492,924.33 : x
  2. Step 2: Convert to fraction form
    18,772,906,721.45/28,159,370,194.01 = 6,980,492,924.33/x
  3. Step 3: Cross multiply
    18,772,906,721.45x = 28,159,370,194.01 × 6,980,492,924.33
  4. Step 4: Simplify right side
    18,772,906,721.45x = 196,566,284,392,700,215,296
  5. Step 5: Solve for x
    x = 196,566,284,392,700,215,296/18,772,906,721.45
  6. Step 6: Final answer
    x = 10,470,743,146.46

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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.