Home / 875,891,866.22-1,313,841,207.93-211,904,820.37

Finding the Fourth Proportional to 875,891,866.22, 1,313,841,207.93 and 211,904,820.37

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Solution

The fourth proportional to 875,891,866.22, 1,313,841,207.93 and 211,904,820.37 is: 317,858,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,891,866.22 : 1,313,841,207.93 = 211,904,820.37 : x
  2. Step 2: Convert to fraction form
    875,891,866.22/1,313,841,207.93 = 211,904,820.37/x
  3. Step 3: Cross multiply
    875,891,866.22x = 1,313,841,207.93 × 211,904,820.37
  4. Step 4: Simplify right side
    875,891,866.22x = 278,409,285,153,481,728
  5. Step 5: Solve for x
    x = 278,409,285,153,481,728/875,891,866.22
  6. Step 6: Final answer
    x = 317,858,055.19

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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.