Home / 558,467,074.61-770,659,697.08-320,141,398.61

Finding the Fourth Proportional to 558,467,074.61, 770,659,697.08 and 320,141,398.61

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Solution

The fourth proportional to 558,467,074.61, 770,659,697.08 and 320,141,398.61 is: 441,780,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,467,074.61 : 770,659,697.08 = 320,141,398.61 : x
  2. Step 2: Convert to fraction form
    558,467,074.61/770,659,697.08 = 320,141,398.61/x
  3. Step 3: Cross multiply
    558,467,074.61x = 770,659,697.08 × 320,141,398.61
  4. Step 4: Simplify right side
    558,467,074.61x = 246,720,073,277,886,560
  5. Step 5: Solve for x
    x = 246,720,073,277,886,560/558,467,074.61
  6. Step 6: Final answer
    x = 441,780,875.71

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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.