Home / 928,270,623.73-1,392,254,575.84-273,068,418.69

Finding the Fourth Proportional to 928,270,623.73, 1,392,254,575.84 and 273,068,418.69

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Solution

The fourth proportional to 928,270,623.73, 1,392,254,575.84 and 273,068,418.69 is: 409,558,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,270,623.73 : 1,392,254,575.84 = 273,068,418.69 : x
  2. Step 2: Convert to fraction form
    928,270,623.73/1,392,254,575.84 = 273,068,418.69/x
  3. Step 3: Cross multiply
    928,270,623.73x = 1,392,254,575.84 × 273,068,418.69
  4. Step 4: Simplify right side
    928,270,623.73x = 380,180,755,438,545,472
  5. Step 5: Solve for x
    x = 380,180,755,438,545,472/928,270,623.73
  6. Step 6: Final answer
    x = 409,558,102.69

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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.