Home / 1,203,139,136.28-1,803,434,975.42-404,696,180.39

Finding the Fourth Proportional to 1,203,139,136.28, 1,803,434,975.42 and 404,696,180.39

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Solution

The fourth proportional to 1,203,139,136.28, 1,803,434,975.42 and 404,696,180.39 is: 606,615,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,139,136.28 : 1,803,434,975.42 = 404,696,180.39 : x
  2. Step 2: Convert to fraction form
    1,203,139,136.28/1,803,434,975.42 = 404,696,180.39/x
  3. Step 3: Cross multiply
    1,203,139,136.28x = 1,803,434,975.42 × 404,696,180.39
  4. Step 4: Simplify right side
    1,203,139,136.28x = 729,843,246,123,166,848
  5. Step 5: Solve for x
    x = 729,843,246,123,166,848/1,203,139,136.28
  6. Step 6: Final answer
    x = 606,615,830.30

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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.