Home / 860,189,803.98-1,290,292,173.18-277,924,111.70

Finding the Fourth Proportional to 860,189,803.98, 1,290,292,173.18 and 277,924,111.70

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Solution

The fourth proportional to 860,189,803.98, 1,290,292,173.18 and 277,924,111.70 is: 416,888,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,189,803.98 : 1,290,292,173.18 = 277,924,111.70 : x
  2. Step 2: Convert to fraction form
    860,189,803.98/1,290,292,173.18 = 277,924,111.70/x
  3. Step 3: Cross multiply
    860,189,803.98x = 1,290,292,173.18 × 277,924,111.70
  4. Step 4: Simplify right side
    860,189,803.98x = 358,603,306,064,514,048
  5. Step 5: Solve for x
    x = 358,603,306,064,514,048/860,189,803.98
  6. Step 6: Final answer
    x = 416,888,580.18

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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.