Home / 785,285,255.44-1,083,742,138.20-432,860,452.48

Finding the Fourth Proportional to 785,285,255.44, 1,083,742,138.20 and 432,860,452.48

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Solution

The fourth proportional to 785,285,255.44, 1,083,742,138.20 and 432,860,452.48 is: 597,374,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,285,255.44 : 1,083,742,138.20 = 432,860,452.48 : x
  2. Step 2: Convert to fraction form
    785,285,255.44/1,083,742,138.20 = 432,860,452.48/x
  3. Step 3: Cross multiply
    785,285,255.44x = 1,083,742,138.20 × 432,860,452.48
  4. Step 4: Simplify right side
    785,285,255.44x = 469,109,112,312,894,720
  5. Step 5: Solve for x
    x = 469,109,112,312,894,720/785,285,255.44
  6. Step 6: Final answer
    x = 597,374,150.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.