Home / 305,578,247,167.77-421,685,703,600.54-166,526,576,149.05

Finding the Fourth Proportional to 305,578,247,167.77, 421,685,703,600.54 and 166,526,576,149.05

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Solution

The fourth proportional to 305,578,247,167.77, 421,685,703,600.54 and 166,526,576,149.05 is: 229,799,984,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,578,247,167.77 : 421,685,703,600.54 = 166,526,576,149.05 : x
  2. Step 2: Convert to fraction form
    305,578,247,167.77/421,685,703,600.54 = 166,526,576,149.05/x
  3. Step 3: Cross multiply
    305,578,247,167.77x = 421,685,703,600.54 × 166,526,576,149.05
  4. Step 4: Simplify right side
    305,578,247,167.77x = 70,221,876,431,601,040,097,280
  5. Step 5: Solve for x
    x = 70,221,876,431,601,040,097,280/305,578,247,167.77
  6. Step 6: Final answer
    x = 229,799,984,398.26

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1.5x scale

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.