Finding the Fourth Proportional to 366,979,218.90, 550,468,828.35 and 203,720,543.70
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Solution
The fourth proportional to 366,979,218.90, 550,468,828.35 and 203,720,543.70 is: 305,580,815.55
Step by Step Solution
- Step 1: Write the proportion equation
366,979,218.90 : 550,468,828.35 = 203,720,543.70 : x - Step 2: Convert to fraction form
366,979,218.90/550,468,828.35 = 203,720,543.70/x - Step 3: Cross multiply
366,979,218.90x = 550,468,828.35 × 203,720,543.70 - Step 4: Simplify right side
366,979,218.90x = 112,141,809,001,363,968 - Step 5: Solve for x
x = 112,141,809,001,363,968/366,979,218.90 - Step 6: Final answer
x = 305,580,815.55
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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.