Home / 860,189,675.22-1,290,291,980.06-277,923,983.03

Finding the Fourth Proportional to 860,189,675.22, 1,290,291,980.06 and 277,923,983.03

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Solution

The fourth proportional to 860,189,675.22, 1,290,291,980.06 and 277,923,983.03 is: 416,888,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,189,675.22 : 1,290,291,980.06 = 277,923,983.03 : x
  2. Step 2: Convert to fraction form
    860,189,675.22/1,290,291,980.06 = 277,923,983.03/x
  3. Step 3: Cross multiply
    860,189,675.22x = 1,290,291,980.06 × 277,923,983.03
  4. Step 4: Simplify right side
    860,189,675.22x = 358,603,086,362,099,456
  5. Step 5: Solve for x
    x = 358,603,086,362,099,456/860,189,675.22
  6. Step 6: Final answer
    x = 416,888,387.17

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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.