Home / 620,330,195.22-856,055,674.22-341,871,721.89

Finding the Fourth Proportional to 620,330,195.22, 856,055,674.22 and 341,871,721.89

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Solution

The fourth proportional to 620,330,195.22, 856,055,674.22 and 341,871,721.89 is: 471,782,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,330,195.22 : 856,055,674.22 = 341,871,721.89 : x
  2. Step 2: Convert to fraction form
    620,330,195.22/856,055,674.22 = 341,871,721.89/x
  3. Step 3: Cross multiply
    620,330,195.22x = 856,055,674.22 × 341,871,721.89
  4. Step 4: Simplify right side
    620,330,195.22x = 292,661,227,377,586,944
  5. Step 5: Solve for x
    x = 292,661,227,377,586,944/620,330,195.22
  6. Step 6: Final answer
    x = 471,782,978.86

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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.