Home / 18,112,335,240.15-27,180,913,050.49-6,321,453,709.36

Finding the Fourth Proportional to 18,112,335,240.15, 27,180,913,050.49 and 6,321,453,709.36

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Solution

The fourth proportional to 18,112,335,240.15, 27,180,913,050.49 and 6,321,453,709.36 is: 9,486,511,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112,335,240.15 : 27,180,913,050.49 = 6,321,453,709.36 : x
  2. Step 2: Convert to fraction form
    18,112,335,240.15/27,180,913,050.49 = 6,321,453,709.36/x
  3. Step 3: Cross multiply
    18,112,335,240.15x = 27,180,913,050.49 × 6,321,453,709.36
  4. Step 4: Simplify right side
    18,112,335,240.15x = 171,822,883,626,967,400,448
  5. Step 5: Solve for x
    x = 171,822,883,626,967,400,448/18,112,335,240.15
  6. Step 6: Final answer
    x = 9,486,511,890.86

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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.