Home / 556,003,326.49-767,296,309.85-305,105,523.80

Finding the Fourth Proportional to 556,003,326.49, 767,296,309.85 and 305,105,523.80

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Solution

The fourth proportional to 556,003,326.49, 767,296,309.85 and 305,105,523.80 is: 421,052,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,003,326.49 : 767,296,309.85 = 305,105,523.80 : x
  2. Step 2: Convert to fraction form
    556,003,326.49/767,296,309.85 = 305,105,523.80/x
  3. Step 3: Cross multiply
    556,003,326.49x = 767,296,309.85 × 305,105,523.80
  4. Step 4: Simplify right side
    556,003,326.49x = 234,106,342,526,591,360
  5. Step 5: Solve for x
    x = 234,106,342,526,591,360/556,003,326.49
  6. Step 6: Final answer
    x = 421,052,053.78

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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.