Home / 825,796,328.67-1,238,810,600.40-265,370,270.51

Finding the Fourth Proportional to 825,796,328.67, 1,238,810,600.40 and 265,370,270.51

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Solution

The fourth proportional to 825,796,328.67, 1,238,810,600.40 and 265,370,270.51 is: 398,092,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,796,328.67 : 1,238,810,600.40 = 265,370,270.51 : x
  2. Step 2: Convert to fraction form
    825,796,328.67/1,238,810,600.40 = 265,370,270.51/x
  3. Step 3: Cross multiply
    825,796,328.67x = 1,238,810,600.40 × 265,370,270.51
  4. Step 4: Simplify right side
    825,796,328.67x = 328,743,504,132,609,472
  5. Step 5: Solve for x
    x = 328,743,504,132,609,472/825,796,328.67
  6. Step 6: Final answer
    x = 398,092,716.96

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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.