Home / 347,236,279.46-479,186,590.61-188,466,459.43

Finding the Fourth Proportional to 347,236,279.46, 479,186,590.61 and 188,466,459.43

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Solution

The fourth proportional to 347,236,279.46, 479,186,590.61 and 188,466,459.43 is: 260,083,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,236,279.46 : 479,186,590.61 = 188,466,459.43 : x
  2. Step 2: Convert to fraction form
    347,236,279.46/479,186,590.61 = 188,466,459.43/x
  3. Step 3: Cross multiply
    347,236,279.46x = 479,186,590.61 × 188,466,459.43
  4. Step 4: Simplify right side
    347,236,279.46x = 90,310,600,135,261,328
  5. Step 5: Solve for x
    x = 90,310,600,135,261,328/347,236,279.46
  6. Step 6: Final answer
    x = 260,083,998.93

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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.