Home / 860,189,691.65-1,290,292,004.69-277,923,999.44

Finding the Fourth Proportional to 860,189,691.65, 1,290,292,004.69 and 277,923,999.44

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Solution

The fourth proportional to 860,189,691.65, 1,290,292,004.69 and 277,923,999.44 is: 416,888,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,189,691.65 : 1,290,292,004.69 = 277,923,999.44 : x
  2. Step 2: Convert to fraction form
    860,189,691.65/1,290,292,004.69 = 277,923,999.44/x
  3. Step 3: Cross multiply
    860,189,691.65x = 1,290,292,004.69 × 277,923,999.44
  4. Step 4: Simplify right side
    860,189,691.65x = 358,603,114,381,058,944
  5. Step 5: Solve for x
    x = 358,603,114,381,058,944/860,189,691.65
  6. Step 6: Final answer
    x = 416,888,411.78

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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.