Home / 430,963,867,901.36-646,446,424,016.60-175,993,251,443.90

Finding the Fourth Proportional to 430,963,867,901.36, 646,446,424,016.60 and 175,993,251,443.90

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Solution

The fourth proportional to 430,963,867,901.36, 646,446,424,016.60 and 175,993,251,443.90 is: 263,990,131,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,963,867,901.36 : 646,446,424,016.60 = 175,993,251,443.90 : x
  2. Step 2: Convert to fraction form
    430,963,867,901.36/646,446,424,016.60 = 175,993,251,443.90/x
  3. Step 3: Cross multiply
    430,963,867,901.36x = 646,446,424,016.60 × 175,993,251,443.90
  4. Step 4: Simplify right side
    430,963,867,901.36x = 113,770,208,046,963,476,135,936
  5. Step 5: Solve for x
    x = 113,770,208,046,963,476,135,936/430,963,867,901.36
  6. Step 6: Final answer
    x = 263,990,131,239.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.