Home / 353,261,450.60-487,500,823.70-196,625,197.16

Finding the Fourth Proportional to 353,261,450.60, 487,500,823.70 and 196,625,197.16

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Solution

The fourth proportional to 353,261,450.60, 487,500,823.70 and 196,625,197.16 is: 271,342,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,261,450.60 : 487,500,823.70 = 196,625,197.16 : x
  2. Step 2: Convert to fraction form
    353,261,450.60/487,500,823.70 = 196,625,197.16/x
  3. Step 3: Cross multiply
    353,261,450.60x = 487,500,823.70 × 196,625,197.16
  4. Step 4: Simplify right side
    353,261,450.60x = 95,854,945,575,674,896
  5. Step 5: Solve for x
    x = 95,854,945,575,674,896/353,261,450.60
  6. Step 6: Final answer
    x = 271,342,784.25

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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.