Home / 254,821,756.76-380,372,339.44-218,662,511.12

Finding the Fourth Proportional to 254,821,756.76, 380,372,339.44 and 218,662,511.12

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Solution

The fourth proportional to 254,821,756.76, 380,372,339.44 and 218,662,511.12 is: 326,397,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,821,756.76 : 380,372,339.44 = 218,662,511.12 : x
  2. Step 2: Convert to fraction form
    254,821,756.76/380,372,339.44 = 218,662,511.12/x
  3. Step 3: Cross multiply
    254,821,756.76x = 380,372,339.44 × 218,662,511.12
  4. Step 4: Simplify right side
    254,821,756.76x = 83,173,170,902,539,408
  5. Step 5: Solve for x
    x = 83,173,170,902,539,408/254,821,756.76
  6. Step 6: Final answer
    x = 326,397,447.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.