Home / 751,630,432.92-1,126,111,732.46-313,967,954.65

Finding the Fourth Proportional to 751,630,432.92, 1,126,111,732.46 and 313,967,954.65

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Solution

The fourth proportional to 751,630,432.92, 1,126,111,732.46 and 313,967,954.65 is: 470,394,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,630,432.92 : 1,126,111,732.46 = 313,967,954.65 : x
  2. Step 2: Convert to fraction form
    751,630,432.92/1,126,111,732.46 = 313,967,954.65/x
  3. Step 3: Cross multiply
    751,630,432.92x = 1,126,111,732.46 × 313,967,954.65
  4. Step 4: Simplify right side
    751,630,432.92x = 353,562,997,344,642,176
  5. Step 5: Solve for x
    x = 353,562,997,344,642,176/751,630,432.92
  6. Step 6: Final answer
    x = 470,394,733.71

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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.