Home / 976,336,121.66-1,347,353,735.01-530,308,194.44

Finding the Fourth Proportional to 976,336,121.66, 1,347,353,735.01 and 530,308,194.44

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Solution

The fourth proportional to 976,336,121.66, 1,347,353,735.01 and 530,308,194.44 is: 731,830,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,336,121.66 : 1,347,353,735.01 = 530,308,194.44 : x
  2. Step 2: Convert to fraction form
    976,336,121.66/1,347,353,735.01 = 530,308,194.44/x
  3. Step 3: Cross multiply
    976,336,121.66x = 1,347,353,735.01 × 530,308,194.44
  4. Step 4: Simplify right side
    976,336,121.66x = 714,512,726,485,143,296
  5. Step 5: Solve for x
    x = 714,512,726,485,143,296/976,336,121.66
  6. Step 6: Final answer
    x = 731,830,678.63

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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.