Home / 728,740,672,273.33-1,005,177,890,968-468,647,206,865.65

Finding the Fourth Proportional to 728,740,672,273.33, 1,005,177,890,968 and 468,647,206,865.65

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Solution

The fourth proportional to 728,740,672,273.33, 1,005,177,890,968 and 468,647,206,865.65 is: 646,421,736,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,740,672,273.33 : 1,005,177,890,968 = 468,647,206,865.65 : x
  2. Step 2: Convert to fraction form
    728,740,672,273.33/1,005,177,890,968 = 468,647,206,865.65/x
  3. Step 3: Cross multiply
    728,740,672,273.33x = 1,005,177,890,968 × 468,647,206,865.65
  4. Step 4: Simplify right side
    728,740,672,273.33x = 471,073,811,005,258,101,424,128
  5. Step 5: Solve for x
    x = 471,073,811,005,258,101,424,128/728,740,672,273.33
  6. Step 6: Final answer
    x = 646,421,736,741.73

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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.