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Finding the Fourth Proportional to 568,838,827.51, 853,258,241.40 and 159,894,978.01

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Solution

The fourth proportional to 568,838,827.51, 853,258,241.40 and 159,894,978.01 is: 239,842,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,838,827.51 : 853,258,241.40 = 159,894,978.01 : x
  2. Step 2: Convert to fraction form
    568,838,827.51/853,258,241.40 = 159,894,978.01/x
  3. Step 3: Cross multiply
    568,838,827.51x = 853,258,241.40 × 159,894,978.01
  4. Step 4: Simplify right side
    568,838,827.51x = 136,431,707,745,504,256
  5. Step 5: Solve for x
    x = 136,431,707,745,504,256/568,838,827.51
  6. Step 6: Final answer
    x = 239,842,467.05

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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.