Home / 1,203,139,136.43-1,803,434,975.66-404,696,180.54

Finding the Fourth Proportional to 1,203,139,136.43, 1,803,434,975.66 and 404,696,180.54

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Solution

The fourth proportional to 1,203,139,136.43, 1,803,434,975.66 and 404,696,180.54 is: 606,615,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,139,136.43 : 1,803,434,975.66 = 404,696,180.54 : x
  2. Step 2: Convert to fraction form
    1,203,139,136.43/1,803,434,975.66 = 404,696,180.54/x
  3. Step 3: Cross multiply
    1,203,139,136.43x = 1,803,434,975.66 × 404,696,180.54
  4. Step 4: Simplify right side
    1,203,139,136.43x = 729,843,246,490,809,216
  5. Step 5: Solve for x
    x = 729,843,246,490,809,216/1,203,139,136.43
  6. Step 6: Final answer
    x = 606,615,830.53

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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.