Home / 1,203,139,137.33-1,803,434,976.96-404,696,181.43

Finding the Fourth Proportional to 1,203,139,137.33, 1,803,434,976.96 and 404,696,181.43

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Solution

The fourth proportional to 1,203,139,137.33, 1,803,434,976.96 and 404,696,181.43 is: 606,615,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,139,137.33 : 1,803,434,976.96 = 404,696,181.43 : x
  2. Step 2: Convert to fraction form
    1,203,139,137.33/1,803,434,976.96 = 404,696,181.43/x
  3. Step 3: Cross multiply
    1,203,139,137.33x = 1,803,434,976.96 × 404,696,181.43
  4. Step 4: Simplify right side
    1,203,139,137.33x = 729,843,248,633,768,960
  5. Step 5: Solve for x
    x = 729,843,248,633,768,960/1,203,139,137.33
  6. Step 6: Final answer
    x = 606,615,831.86

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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.