Home / 380,754,216.56-525,247,407.24-248,672,519.12

Finding the Fourth Proportional to 380,754,216.56, 525,247,407.24 and 248,672,519.12

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Solution

The fourth proportional to 380,754,216.56, 525,247,407.24 and 248,672,519.12 is: 343,041,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,754,216.56 : 525,247,407.24 = 248,672,519.12 : x
  2. Step 2: Convert to fraction form
    380,754,216.56/525,247,407.24 = 248,672,519.12/x
  3. Step 3: Cross multiply
    380,754,216.56x = 525,247,407.24 × 248,672,519.12
  4. Step 4: Simplify right side
    380,754,216.56x = 130,614,595,919,619,328
  5. Step 5: Solve for x
    x = 130,614,595,919,619,328/380,754,216.56
  6. Step 6: Final answer
    x = 343,041,758.28

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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.