Home / 399,334,844.52-601,728,021.27-328,146,329.61

Finding the Fourth Proportional to 399,334,844.52, 601,728,021.27 and 328,146,329.61

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Solution

The fourth proportional to 399,334,844.52, 601,728,021.27 and 328,146,329.61 is: 494,459,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,334,844.52 : 601,728,021.27 = 328,146,329.61 : x
  2. Step 2: Convert to fraction form
    399,334,844.52/601,728,021.27 = 328,146,329.61/x
  3. Step 3: Cross multiply
    399,334,844.52x = 601,728,021.27 × 328,146,329.61
  4. Step 4: Simplify right side
    399,334,844.52x = 197,454,841,603,238,528
  5. Step 5: Solve for x
    x = 197,454,841,603,238,528/399,334,844.52
  6. Step 6: Final answer
    x = 494,459,334.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.