Home / 568,838,670.36-853,258,005.74-159,894,820.86

Finding the Fourth Proportional to 568,838,670.36, 853,258,005.74 and 159,894,820.86

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Solution

The fourth proportional to 568,838,670.36, 853,258,005.74 and 159,894,820.86 is: 239,842,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,838,670.36 : 853,258,005.74 = 159,894,820.86 : x
  2. Step 2: Convert to fraction form
    568,838,670.36/853,258,005.74 = 159,894,820.86/x
  3. Step 3: Cross multiply
    568,838,670.36x = 853,258,005.74 × 159,894,820.86
  4. Step 4: Simplify right side
    568,838,670.36x = 136,431,535,975,158,160
  5. Step 5: Solve for x
    x = 136,431,535,975,158,160/568,838,670.36
  6. Step 6: Final answer
    x = 239,842,231.35

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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.