Home / 512,052,152.84-767,767,201.19-200,786,868.48

Finding the Fourth Proportional to 512,052,152.84, 767,767,201.19 and 200,786,868.48

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Solution

The fourth proportional to 512,052,152.84, 767,767,201.19 and 200,786,868.48 is: 301,058,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,052,152.84 : 767,767,201.19 = 200,786,868.48 : x
  2. Step 2: Convert to fraction form
    512,052,152.84/767,767,201.19 = 200,786,868.48/x
  3. Step 3: Cross multiply
    512,052,152.84x = 767,767,201.19 × 200,786,868.48
  4. Step 4: Simplify right side
    512,052,152.84x = 154,157,572,048,594,240
  5. Step 5: Solve for x
    x = 154,157,572,048,594,240/512,052,152.84
  6. Step 6: Final answer
    x = 301,058,341.80

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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.