Home / 412,711,642.26-569,324,990.39-245,328,846.39

Finding the Fourth Proportional to 412,711,642.26, 569,324,990.39 and 245,328,846.39

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Solution

The fourth proportional to 412,711,642.26, 569,324,990.39 and 245,328,846.39 is: 338,424,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,711,642.26 : 569,324,990.39 = 245,328,846.39 : x
  2. Step 2: Convert to fraction form
    412,711,642.26/569,324,990.39 = 245,328,846.39/x
  3. Step 3: Cross multiply
    412,711,642.26x = 569,324,990.39 × 245,328,846.39
  4. Step 4: Simplify right side
    412,711,642.26x = 139,671,843,112,149,888
  5. Step 5: Solve for x
    x = 139,671,843,112,149,888/412,711,642.26
  6. Step 6: Final answer
    x = 338,424,771.22

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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.