Home / 711,608,233.86-981,329,469.30-554,918,169.42

Finding the Fourth Proportional to 711,608,233.86, 981,329,469.30 and 554,918,169.42

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Solution

The fourth proportional to 711,608,233.86, 981,329,469.30 and 554,918,169.42 is: 765,249,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,608,233.86 : 981,329,469.30 = 554,918,169.42 : x
  2. Step 2: Convert to fraction form
    711,608,233.86/981,329,469.30 = 554,918,169.42/x
  3. Step 3: Cross multiply
    711,608,233.86x = 981,329,469.30 × 554,918,169.42
  4. Step 4: Simplify right side
    711,608,233.86x = 544,557,552,701,856,000
  5. Step 5: Solve for x
    x = 544,557,552,701,856,000/711,608,233.86
  6. Step 6: Final answer
    x = 765,249,089.02

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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.