Home / 305,578,247,170.59-421,685,703,604.45-166,526,576,151.87

Finding the Fourth Proportional to 305,578,247,170.59, 421,685,703,604.45 and 166,526,576,151.87

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Solution

The fourth proportional to 305,578,247,170.59, 421,685,703,604.45 and 166,526,576,151.87 is: 229,799,984,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,578,247,170.59 : 421,685,703,604.45 = 166,526,576,151.87 : x
  2. Step 2: Convert to fraction form
    305,578,247,170.59/421,685,703,604.45 = 166,526,576,151.87/x
  3. Step 3: Cross multiply
    305,578,247,170.59x = 421,685,703,604.45 × 166,526,576,151.87
  4. Step 4: Simplify right side
    305,578,247,170.59x = 70,221,876,433,441,324,531,712
  5. Step 5: Solve for x
    x = 70,221,876,433,441,324,531,712/305,578,247,170.59
  6. Step 6: Final answer
    x = 229,799,984,402.16

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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.