Home / 380,760,768.14-525,256,477.83-248,679,079.19

Finding the Fourth Proportional to 380,760,768.14, 525,256,477.83 and 248,679,079.19

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Solution

The fourth proportional to 380,760,768.14, 525,256,477.83 and 248,679,079.19 is: 343,050,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,760,768.14 : 525,256,477.83 = 248,679,079.19 : x
  2. Step 2: Convert to fraction form
    380,760,768.14/525,256,477.83 = 248,679,079.19/x
  3. Step 3: Cross multiply
    380,760,768.14x = 525,256,477.83 × 248,679,079.19
  4. Step 4: Simplify right side
    380,760,768.14x = 130,620,297,245,347,040
  5. Step 5: Solve for x
    x = 130,620,297,245,347,040/380,760,768.14
  6. Step 6: Final answer
    x = 343,050,829.22

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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.