Home / 612,261,906.48-844,885,021.62-347,907,209.88

Finding the Fourth Proportional to 612,261,906.48, 844,885,021.62 and 347,907,209.88

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Solution

The fourth proportional to 612,261,906.48, 844,885,021.62 and 347,907,209.88 is: 480,091,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,261,906.48 : 844,885,021.62 = 347,907,209.88 : x
  2. Step 2: Convert to fraction form
    612,261,906.48/844,885,021.62 = 347,907,209.88/x
  3. Step 3: Cross multiply
    612,261,906.48x = 844,885,021.62 × 347,907,209.88
  4. Step 4: Simplify right side
    612,261,906.48x = 293,941,590,541,217,664
  5. Step 5: Solve for x
    x = 293,941,590,541,217,664/612,261,906.48
  6. Step 6: Final answer
    x = 480,091,260.67

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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.