Home / 305,578,247,218.07-421,685,703,669.43-166,526,576,199.32

Finding the Fourth Proportional to 305,578,247,218.07, 421,685,703,669.43 and 166,526,576,199.32

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Solution

The fourth proportional to 305,578,247,218.07, 421,685,703,669.43 and 166,526,576,199.32 is: 229,799,984,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,578,247,218.07 : 421,685,703,669.43 = 166,526,576,199.32 : x
  2. Step 2: Convert to fraction form
    305,578,247,218.07/421,685,703,669.43 = 166,526,576,199.32/x
  3. Step 3: Cross multiply
    305,578,247,218.07x = 421,685,703,669.43 × 166,526,576,199.32
  4. Step 4: Simplify right side
    305,578,247,218.07x = 70,221,876,464,271,212,150,784
  5. Step 5: Solve for x
    x = 70,221,876,464,271,212,150,784/305,578,247,218.07
  6. Step 6: Final answer
    x = 229,799,984,467.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.