Home / 418,396,863.67-577,370,333.57-227,658,668.69

Finding the Fourth Proportional to 418,396,863.67, 577,370,333.57 and 227,658,668.69

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Solution

The fourth proportional to 418,396,863.67, 577,370,333.57 and 227,658,668.69 is: 314,159,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,396,863.67 : 577,370,333.57 = 227,658,668.69 : x
  2. Step 2: Convert to fraction form
    418,396,863.67/577,370,333.57 = 227,658,668.69/x
  3. Step 3: Cross multiply
    418,396,863.67x = 577,370,333.57 × 227,658,668.69
  4. Step 4: Simplify right side
    418,396,863.67x = 131,443,361,477,622,288
  5. Step 5: Solve for x
    x = 131,443,361,477,622,288/418,396,863.67
  6. Step 6: Final answer
    x = 314,159,528.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.