Home / 380,838,824,456.54-525,541,715,903.64-207,224,645,709.21

Finding the Fourth Proportional to 380,838,824,456.54, 525,541,715,903.64 and 207,224,645,709.21

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Solution

The fourth proportional to 380,838,824,456.54, 525,541,715,903.64 and 207,224,645,709.21 is: 285,961,380,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,838,824,456.54 : 525,541,715,903.64 = 207,224,645,709.21 : x
  2. Step 2: Convert to fraction form
    380,838,824,456.54/525,541,715,903.64 = 207,224,645,709.21/x
  3. Step 3: Cross multiply
    380,838,824,456.54x = 525,541,715,903.64 × 207,224,645,709.21
  4. Step 4: Simplify right side
    380,838,824,456.54x = 108,905,195,883,542,096,117,760
  5. Step 5: Solve for x
    x = 108,905,195,883,542,096,117,760/380,838,824,456.54
  6. Step 6: Final answer
    x = 285,961,380,221.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.