Home / 548,282,483.56-756,622,772.82-313,330,449.16

Finding the Fourth Proportional to 548,282,483.56, 756,622,772.82 and 313,330,449.16

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Solution

The fourth proportional to 548,282,483.56, 756,622,772.82 and 313,330,449.16 is: 432,391,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,282,483.56 : 756,622,772.82 = 313,330,449.16 : x
  2. Step 2: Convert to fraction form
    548,282,483.56/756,622,772.82 = 313,330,449.16/x
  3. Step 3: Cross multiply
    548,282,483.56x = 756,622,772.82 × 313,330,449.16
  4. Step 4: Simplify right side
    548,282,483.56x = 237,072,953,252,375,264
  5. Step 5: Solve for x
    x = 237,072,953,252,375,264/548,282,483.56
  6. Step 6: Final answer
    x = 432,391,988.37

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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.