Home / 818,901,087.12-1,228,837,013.40-301,694,439.06

Finding the Fourth Proportional to 818,901,087.12, 1,228,837,013.40 and 301,694,439.06

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Solution

The fourth proportional to 818,901,087.12, 1,228,837,013.40 and 301,694,439.06 is: 452,720,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,901,087.12 : 1,228,837,013.40 = 301,694,439.06 : x
  2. Step 2: Convert to fraction form
    818,901,087.12/1,228,837,013.40 = 301,694,439.06/x
  3. Step 3: Cross multiply
    818,901,087.12x = 1,228,837,013.40 × 301,694,439.06
  4. Step 4: Simplify right side
    818,901,087.12x = 370,733,293,453,878,720
  5. Step 5: Solve for x
    x = 370,733,293,453,878,720/818,901,087.12
  6. Step 6: Final answer
    x = 452,720,480.27

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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.