Home / 452,415,894.72-679,645,407.54-268,304,128.04

Finding the Fourth Proportional to 452,415,894.72, 679,645,407.54 and 268,304,128.04

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Solution

The fourth proportional to 452,415,894.72, 679,645,407.54 and 268,304,128.04 is: 403,062,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,415,894.72 : 679,645,407.54 = 268,304,128.04 : x
  2. Step 2: Convert to fraction form
    452,415,894.72/679,645,407.54 = 268,304,128.04/x
  3. Step 3: Cross multiply
    452,415,894.72x = 679,645,407.54 × 268,304,128.04
  4. Step 4: Simplify right side
    452,415,894.72x = 182,351,668,449,115,392
  5. Step 5: Solve for x
    x = 182,351,668,449,115,392/452,415,894.72
  6. Step 6: Final answer
    x = 403,062,028.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.