Home / 305,578,247,167.02-421,685,703,599.51-166,526,576,148.30

Finding the Fourth Proportional to 305,578,247,167.02, 421,685,703,599.51 and 166,526,576,148.30

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Solution

The fourth proportional to 305,578,247,167.02, 421,685,703,599.51 and 166,526,576,148.30 is: 229,799,984,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,578,247,167.02 : 421,685,703,599.51 = 166,526,576,148.30 : x
  2. Step 2: Convert to fraction form
    305,578,247,167.02/421,685,703,599.51 = 166,526,576,148.30/x
  3. Step 3: Cross multiply
    305,578,247,167.02x = 421,685,703,599.51 × 166,526,576,148.30
  4. Step 4: Simplify right side
    305,578,247,167.02x = 70,221,876,431,113,259,319,296
  5. Step 5: Solve for x
    x = 70,221,876,431,113,259,319,296/305,578,247,167.02
  6. Step 6: Final answer
    x = 229,799,984,397.23

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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.