Home / 579,909,004.22-800,443,060.25-378,996,102.60

Finding the Fourth Proportional to 579,909,004.22, 800,443,060.25 and 378,996,102.60

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Solution

The fourth proportional to 579,909,004.22, 800,443,060.25 and 378,996,102.60 is: 523,124,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,909,004.22 : 800,443,060.25 = 378,996,102.60 : x
  2. Step 2: Convert to fraction form
    579,909,004.22/800,443,060.25 = 378,996,102.60/x
  3. Step 3: Cross multiply
    579,909,004.22x = 800,443,060.25 × 378,996,102.60
  4. Step 4: Simplify right side
    579,909,004.22x = 303,364,800,186,072,000
  5. Step 5: Solve for x
    x = 303,364,800,186,072,000/579,909,004.22
  6. Step 6: Final answer
    x = 523,124,831.62

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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.