Home / 465,157,480.68-641,931,016.05-256,327,075.44

Finding the Fourth Proportional to 465,157,480.68, 641,931,016.05 and 256,327,075.44

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Solution

The fourth proportional to 465,157,480.68, 641,931,016.05 and 256,327,075.44 is: 353,738,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,157,480.68 : 641,931,016.05 = 256,327,075.44 : x
  2. Step 2: Convert to fraction form
    465,157,480.68/641,931,016.05 = 256,327,075.44/x
  3. Step 3: Cross multiply
    465,157,480.68x = 641,931,016.05 × 256,327,075.44
  4. Step 4: Simplify right side
    465,157,480.68x = 164,544,299,978,324,192
  5. Step 5: Solve for x
    x = 164,544,299,978,324,192/465,157,480.68
  6. Step 6: Final answer
    x = 353,738,909.54

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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.