Home / 457,825,487.70-631,793,172.67-248,977,179.12

Finding the Fourth Proportional to 457,825,487.70, 631,793,172.67 and 248,977,179.12

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Solution

The fourth proportional to 457,825,487.70, 631,793,172.67 and 248,977,179.12 is: 343,585,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,825,487.70 : 631,793,172.67 = 248,977,179.12 : x
  2. Step 2: Convert to fraction form
    457,825,487.70/631,793,172.67 = 248,977,179.12/x
  3. Step 3: Cross multiply
    457,825,487.70x = 631,793,172.67 × 248,977,179.12
  4. Step 4: Simplify right side
    457,825,487.70x = 157,302,081,918,651,680
  5. Step 5: Solve for x
    x = 157,302,081,918,651,680/457,825,487.70
  6. Step 6: Final answer
    x = 343,585,244.04

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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.