Home / 1,203,139,144.35-1,803,434,987.44-404,696,188.44

Finding the Fourth Proportional to 1,203,139,144.35, 1,803,434,987.44 and 404,696,188.44

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Solution

The fourth proportional to 1,203,139,144.35, 1,803,434,987.44 and 404,696,188.44 is: 606,615,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,139,144.35 : 1,803,434,987.44 = 404,696,188.44 : x
  2. Step 2: Convert to fraction form
    1,203,139,144.35/1,803,434,987.44 = 404,696,188.44/x
  3. Step 3: Cross multiply
    1,203,139,144.35x = 1,803,434,987.44 × 404,696,188.44
  4. Step 4: Simplify right side
    1,203,139,144.35x = 729,843,265,516,307,328
  5. Step 5: Solve for x
    x = 729,843,265,516,307,328/1,203,139,144.35
  6. Step 6: Final answer
    x = 606,615,842.35

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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.