Home / 743,434,764.75-1,115,279,192.69-306,496,596.27

Finding the Fourth Proportional to 743,434,764.75, 1,115,279,192.69 and 306,496,596.27

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Solution

The fourth proportional to 743,434,764.75, 1,115,279,192.69 and 306,496,596.27 is: 459,797,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,434,764.75 : 1,115,279,192.69 = 306,496,596.27 : x
  2. Step 2: Convert to fraction form
    743,434,764.75/1,115,279,192.69 = 306,496,596.27/x
  3. Step 3: Cross multiply
    743,434,764.75x = 1,115,279,192.69 × 306,496,596.27
  4. Step 4: Simplify right side
    743,434,764.75x = 341,829,276,454,052,992
  5. Step 5: Solve for x
    x = 341,829,276,454,052,992/743,434,764.75
  6. Step 6: Final answer
    x = 459,797,271.61

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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.