Finding the Fourth Proportional to 543,204,030.56, 749,639,669.00 and 305,091,176.09
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Solution
The fourth proportional to 543,204,030.56, 749,639,669.00 and 305,091,176.09 is: 421,035,992.72
Step by Step Solution
- Step 1: Write the proportion equation
543,204,030.56 : 749,639,669.00 = 305,091,176.09 : x - Step 2: Convert to fraction form
543,204,030.56/749,639,669.00 = 305,091,176.09/x - Step 3: Cross multiply
543,204,030.56x = 749,639,669.00 × 305,091,176.09 - Step 4: Simplify right side
543,204,030.56x = 228,708,448,253,654,656 - Step 5: Solve for x
x = 228,708,448,253,654,656/543,204,030.56 - Step 6: Final answer
x = 421,035,992.72
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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.