Home / 300,338,303.76-414,252,741.24-275,638,111.92

Finding the Fourth Proportional to 300,338,303.76, 414,252,741.24 and 275,638,111.92

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Solution

The fourth proportional to 300,338,303.76, 414,252,741.24 and 275,638,111.92 is: 380,184,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,338,303.76 : 414,252,741.24 = 275,638,111.92 : x
  2. Step 2: Convert to fraction form
    300,338,303.76/414,252,741.24 = 275,638,111.92/x
  3. Step 3: Cross multiply
    300,338,303.76x = 414,252,741.24 × 275,638,111.92
  4. Step 4: Simplify right side
    300,338,303.76x = 114,183,843,453,077,936
  5. Step 5: Solve for x
    x = 114,183,843,453,077,936/300,338,303.76
  6. Step 6: Final answer
    x = 380,184,085.82

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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.