Home / 401,668,476.35-554,283,839.16-223,063,704.77

Finding the Fourth Proportional to 401,668,476.35, 554,283,839.16 and 223,063,704.77

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Solution

The fourth proportional to 401,668,476.35, 554,283,839.16 and 223,063,704.77 is: 307,817,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,668,476.35 : 554,283,839.16 = 223,063,704.77 : x
  2. Step 2: Convert to fraction form
    401,668,476.35/554,283,839.16 = 223,063,704.77/x
  3. Step 3: Cross multiply
    401,668,476.35x = 554,283,839.16 × 223,063,704.77
  4. Step 4: Simplify right side
    401,668,476.35x = 123,640,606,654,396,976
  5. Step 5: Solve for x
    x = 123,640,606,654,396,976/401,668,476.35
  6. Step 6: Final answer
    x = 307,817,550.88

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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.