Home / 655,099,418.80-982,649,128.20-310,725,650.80

Finding the Fourth Proportional to 655,099,418.80, 982,649,128.20 and 310,725,650.80

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Solution

The fourth proportional to 655,099,418.80, 982,649,128.20 and 310,725,650.80 is: 466,088,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,099,418.80 : 982,649,128.20 = 310,725,650.80 : x
  2. Step 2: Convert to fraction form
    655,099,418.80/982,649,128.20 = 310,725,650.80/x
  3. Step 3: Cross multiply
    655,099,418.80x = 982,649,128.20 × 310,725,650.80
  4. Step 4: Simplify right side
    655,099,418.80x = 305,334,289,867,997,632
  5. Step 5: Solve for x
    x = 305,334,289,867,997,632/655,099,418.80
  6. Step 6: Final answer
    x = 466,088,476.20

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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.