Home / 319,793,429.51-441,306,802.34-178,665,709.98

Finding the Fourth Proportional to 319,793,429.51, 441,306,802.34 and 178,665,709.98

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Solution

The fourth proportional to 319,793,429.51, 441,306,802.34 and 178,665,709.98 is: 246,554,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,793,429.51 : 441,306,802.34 = 178,665,709.98 : x
  2. Step 2: Convert to fraction form
    319,793,429.51/441,306,802.34 = 178,665,709.98/x
  3. Step 3: Cross multiply
    319,793,429.51x = 441,306,802.34 × 178,665,709.98
  4. Step 4: Simplify right side
    319,793,429.51x = 78,846,393,158,186,288
  5. Step 5: Solve for x
    x = 78,846,393,158,186,288/319,793,429.51
  6. Step 6: Final answer
    x = 246,554,137.40

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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.