Home / 217,992,490,657.36-326,987,363,871.81-117,310,783,952.46

Finding the Fourth Proportional to 217,992,490,657.36, 326,987,363,871.81 and 117,310,783,952.46

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Solution

The fourth proportional to 217,992,490,657.36, 326,987,363,871.81 and 117,310,783,952.46 is: 175,965,437,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,992,490,657.36 : 326,987,363,871.81 = 117,310,783,952.46 : x
  2. Step 2: Convert to fraction form
    217,992,490,657.36/326,987,363,871.81 = 117,310,783,952.46/x
  3. Step 3: Cross multiply
    217,992,490,657.36x = 326,987,363,871.81 × 117,310,783,952.46
  4. Step 4: Simplify right side
    217,992,490,657.36x = 38,359,143,998,350,327,545,856
  5. Step 5: Solve for x
    x = 38,359,143,998,350,327,545,856/217,992,490,657.36
  6. Step 6: Final answer
    x = 175,965,437,537.22

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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.