Finding the Fourth Proportional to 366,980,326.90, 550,470,490.35 and 203,721,651.70
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Solution
The fourth proportional to 366,980,326.90, 550,470,490.35 and 203,721,651.70 is: 305,582,477.55
Step by Step Solution
- Step 1: Write the proportion equation
366,980,326.90 : 550,470,490.35 = 203,721,651.70 : x - Step 2: Convert to fraction form
366,980,326.90/550,470,490.35 = 203,721,651.70/x - Step 3: Cross multiply
366,980,326.90x = 550,470,490.35 × 203,721,651.70 - Step 4: Simplify right side
366,980,326.90x = 112,142,757,506,210,912 - Step 5: Solve for x
x = 112,142,757,506,210,912/366,980,326.90 - Step 6: Final answer
x = 305,582,477.55
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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.