Home / 319,793,432.51-441,306,806.48-178,665,712.98

Finding the Fourth Proportional to 319,793,432.51, 441,306,806.48 and 178,665,712.98

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Solution

The fourth proportional to 319,793,432.51, 441,306,806.48 and 178,665,712.98 is: 246,554,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,793,432.51 : 441,306,806.48 = 178,665,712.98 : x
  2. Step 2: Convert to fraction form
    319,793,432.51/441,306,806.48 = 178,665,712.98/x
  3. Step 3: Cross multiply
    319,793,432.51x = 441,306,806.48 × 178,665,712.98
  4. Step 4: Simplify right side
    319,793,432.51x = 78,846,395,221,782,752
  5. Step 5: Solve for x
    x = 78,846,395,221,782,752/319,793,432.51
  6. Step 6: Final answer
    x = 246,554,141.54

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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.