Home / 860,189,688.43-1,290,291,999.91-277,923,996.25

Finding the Fourth Proportional to 860,189,688.43, 1,290,291,999.91 and 277,923,996.25

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Solution

The fourth proportional to 860,189,688.43, 1,290,291,999.91 and 277,923,996.25 is: 416,888,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,189,688.43 : 1,290,291,999.91 = 277,923,996.25 : x
  2. Step 2: Convert to fraction form
    860,189,688.43/1,290,291,999.91 = 277,923,996.25/x
  3. Step 3: Cross multiply
    860,189,688.43x = 1,290,291,999.91 × 277,923,996.25
  4. Step 4: Simplify right side
    860,189,688.43x = 358,603,108,942,055,424
  5. Step 5: Solve for x
    x = 358,603,108,942,055,424/860,189,688.43
  6. Step 6: Final answer
    x = 416,888,407.02

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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.