Home / 293,558,876.40-440,621,749.80-178,767,620.40

Finding the Fourth Proportional to 293,558,876.40, 440,621,749.80 and 178,767,620.40

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Solution

The fourth proportional to 293,558,876.40, 440,621,749.80 and 178,767,620.40 is: 268,324,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,558,876.40 : 440,621,749.80 = 178,767,620.40 : x
  2. Step 2: Convert to fraction form
    293,558,876.40/440,621,749.80 = 178,767,620.40/x
  3. Step 3: Cross multiply
    293,558,876.40x = 440,621,749.80 × 178,767,620.40
  4. Step 4: Simplify right side
    293,558,876.40x = 78,768,901,708,230,176
  5. Step 5: Solve for x
    x = 78,768,901,708,230,176/293,558,876.40
  6. Step 6: Final answer
    x = 268,324,033.24

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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.