Home / 681,197,053.60-1,021,795,580.40-196,538,672.80

Finding the Fourth Proportional to 681,197,053.60, 1,021,795,580.40 and 196,538,672.80

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Solution

The fourth proportional to 681,197,053.60, 1,021,795,580.40 and 196,538,672.80 is: 294,808,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,197,053.60 : 1,021,795,580.40 = 196,538,672.80 : x
  2. Step 2: Convert to fraction form
    681,197,053.60/1,021,795,580.40 = 196,538,672.80/x
  3. Step 3: Cross multiply
    681,197,053.60x = 1,021,795,580.40 × 196,538,672.80
  4. Step 4: Simplify right side
    681,197,053.60x = 200,822,347,244,721,696
  5. Step 5: Solve for x
    x = 200,822,347,244,721,696/681,197,053.60
  6. Step 6: Final answer
    x = 294,808,009.20

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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.