Home / 407,999,331.65-611,939,210.36-200,682,093.94

Finding the Fourth Proportional to 407,999,331.65, 611,939,210.36 and 200,682,093.94

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Solution

The fourth proportional to 407,999,331.65, 611,939,210.36 and 200,682,093.94 is: 300,993,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,999,331.65 : 611,939,210.36 = 200,682,093.94 : x
  2. Step 2: Convert to fraction form
    407,999,331.65/611,939,210.36 = 200,682,093.94/x
  3. Step 3: Cross multiply
    407,999,331.65x = 611,939,210.36 × 200,682,093.94
  4. Step 4: Simplify right side
    407,999,331.65x = 122,805,242,095,975,248
  5. Step 5: Solve for x
    x = 122,805,242,095,975,248/407,999,331.65
  6. Step 6: Final answer
    x = 300,993,733.49

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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.