Home / 1,293,644,804.70-1,940,467,207.05-475,587,831.90

Finding the Fourth Proportional to 1,293,644,804.70, 1,940,467,207.05 and 475,587,831.90

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Solution

The fourth proportional to 1,293,644,804.70, 1,940,467,207.05 and 475,587,831.90 is: 713,381,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,644,804.70 : 1,940,467,207.05 = 475,587,831.90 : x
  2. Step 2: Convert to fraction form
    1,293,644,804.70/1,940,467,207.05 = 475,587,831.90/x
  3. Step 3: Cross multiply
    1,293,644,804.70x = 1,940,467,207.05 × 475,587,831.90
  4. Step 4: Simplify right side
    1,293,644,804.70x = 922,862,591,873,957,888
  5. Step 5: Solve for x
    x = 922,862,591,873,957,888/1,293,644,804.70
  6. Step 6: Final answer
    x = 713,381,747.85

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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.