Home / 657,224,611.68-984,271,933.86-380,292,201.30

Finding the Fourth Proportional to 657,224,611.68, 984,271,933.86 and 380,292,201.30

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Solution

The fourth proportional to 657,224,611.68, 984,271,933.86 and 380,292,201.30 is: 569,532,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,224,611.68 : 984,271,933.86 = 380,292,201.30 : x
  2. Step 2: Convert to fraction form
    657,224,611.68/984,271,933.86 = 380,292,201.30/x
  3. Step 3: Cross multiply
    657,224,611.68x = 984,271,933.86 × 380,292,201.30
  4. Step 4: Simplify right side
    657,224,611.68x = 374,310,940,405,427,392
  5. Step 5: Solve for x
    x = 374,310,940,405,427,392/657,224,611.68
  6. Step 6: Final answer
    x = 569,532,749.92

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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.