Home / 386,044,029.60-579,066,044.40-325,577,853.60

Finding the Fourth Proportional to 386,044,029.60, 579,066,044.40 and 325,577,853.60

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Solution

The fourth proportional to 386,044,029.60, 579,066,044.40 and 325,577,853.60 is: 488,366,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,044,029.60 : 579,066,044.40 = 325,577,853.60 : x
  2. Step 2: Convert to fraction form
    386,044,029.60/579,066,044.40 = 325,577,853.60/x
  3. Step 3: Cross multiply
    386,044,029.60x = 579,066,044.40 × 325,577,853.60
  4. Step 4: Simplify right side
    386,044,029.60x = 188,531,079,828,394,304
  5. Step 5: Solve for x
    x = 188,531,079,828,394,304/386,044,029.60
  6. Step 6: Final answer
    x = 488,366,780.40

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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.