Home / 310,521,738,394.92-425,412,797,406.98-298,909,669,015.94

Finding the Fourth Proportional to 310,521,738,394.92, 425,412,797,406.98 and 298,909,669,015.94

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Solution

The fourth proportional to 310,521,738,394.92, 425,412,797,406.98 and 298,909,669,015.94 is: 409,504,336,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,521,738,394.92 : 425,412,797,406.98 = 298,909,669,015.94 : x
  2. Step 2: Convert to fraction form
    310,521,738,394.92/425,412,797,406.98 = 298,909,669,015.94/x
  3. Step 3: Cross multiply
    310,521,738,394.92x = 425,412,797,406.98 × 298,909,669,015.94
  4. Step 4: Simplify right side
    310,521,738,394.92x = 127,159,998,468,065,530,478,592
  5. Step 5: Solve for x
    x = 127,159,998,468,065,530,478,592/310,521,738,394.92
  6. Step 6: Final answer
    x = 409,504,336,557.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.