Home / 380,760,776.16-525,256,488.88-248,679,087.20

Finding the Fourth Proportional to 380,760,776.16, 525,256,488.88 and 248,679,087.20

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Solution

The fourth proportional to 380,760,776.16, 525,256,488.88 and 248,679,087.20 is: 343,050,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,760,776.16 : 525,256,488.88 = 248,679,087.20 : x
  2. Step 2: Convert to fraction form
    380,760,776.16/525,256,488.88 = 248,679,087.20/x
  3. Step 3: Cross multiply
    380,760,776.16x = 525,256,488.88 × 248,679,087.20
  4. Step 4: Simplify right side
    380,760,776.16x = 130,620,304,200,555,344
  5. Step 5: Solve for x
    x = 130,620,304,200,555,344/380,760,776.16
  6. Step 6: Final answer
    x = 343,050,840.26

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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.