Finding the Fourth Proportional to 750,141,037.80, 1,125,211,556.70 and 204,882,571.80
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Solution
The fourth proportional to 750,141,037.80, 1,125,211,556.70 and 204,882,571.80 is: 307,323,857.70
Step by Step Solution
- Step 1: Write the proportion equation
750,141,037.80 : 1,125,211,556.70 = 204,882,571.80 : x - Step 2: Convert to fraction form
750,141,037.80/1,125,211,556.70 = 204,882,571.80/x - Step 3: Cross multiply
750,141,037.80x = 1,125,211,556.70 × 204,882,571.80 - Step 4: Simplify right side
750,141,037.80x = 230,536,237,555,777,536 - Step 5: Solve for x
x = 230,536,237,555,777,536/750,141,037.80 - Step 6: Final answer
x = 307,323,857.70
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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.