Home / 18,112,335,407.09-27,180,913,300.58-6,321,453,876.33

Finding the Fourth Proportional to 18,112,335,407.09, 27,180,913,300.58 and 6,321,453,876.33

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Solution

The fourth proportional to 18,112,335,407.09, 27,180,913,300.58 and 6,321,453,876.33 is: 9,486,512,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112,335,407.09 : 27,180,913,300.58 = 6,321,453,876.33 : x
  2. Step 2: Convert to fraction form
    18,112,335,407.09/27,180,913,300.58 = 6,321,453,876.33/x
  3. Step 3: Cross multiply
    18,112,335,407.09x = 27,180,913,300.58 × 6,321,453,876.33
  4. Step 4: Simplify right side
    18,112,335,407.09x = 171,822,889,746,141,118,464
  5. Step 5: Solve for x
    x = 171,822,889,746,141,118,464/18,112,335,407.09
  6. Step 6: Final answer
    x = 9,486,512,141.27

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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.