Home / 371,308,542-512,294,044.68-222,575,394.96

Finding the Fourth Proportional to 371,308,542, 512,294,044.68 and 222,575,394.96

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Solution

The fourth proportional to 371,308,542, 512,294,044.68 and 222,575,394.96 is: 307,087,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,308,542 : 512,294,044.68 = 222,575,394.96 : x
  2. Step 2: Convert to fraction form
    371,308,542/512,294,044.68 = 222,575,394.96/x
  3. Step 3: Cross multiply
    371,308,542x = 512,294,044.68 × 222,575,394.96
  4. Step 4: Simplify right side
    371,308,542x = 114,024,049,330,306,896
  5. Step 5: Solve for x
    x = 114,024,049,330,306,896/371,308,542
  6. Step 6: Final answer
    x = 307,087,062.19

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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.