Home / 418,396,863.46-577,370,333.28-227,658,668.47

Finding the Fourth Proportional to 418,396,863.46, 577,370,333.28 and 227,658,668.47

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Solution

The fourth proportional to 418,396,863.46, 577,370,333.28 and 227,658,668.47 is: 314,159,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,396,863.46 : 577,370,333.28 = 227,658,668.47 : x
  2. Step 2: Convert to fraction form
    418,396,863.46/577,370,333.28 = 227,658,668.47/x
  3. Step 3: Cross multiply
    418,396,863.46x = 577,370,333.28 × 227,658,668.47
  4. Step 4: Simplify right side
    418,396,863.46x = 131,443,361,288,045,216
  5. Step 5: Solve for x
    x = 131,443,361,288,045,216/418,396,863.46
  6. Step 6: Final answer
    x = 314,159,528.35

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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.