Finding the Fourth Proportional to 369,285,643.44, 509,564,267.82 and 210,536,245.08
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Solution
The fourth proportional to 369,285,643.44, 509,564,267.82 and 210,536,245.08 is: 290,511,557.87
Step by Step Solution
- Step 1: Write the proportion equation
369,285,643.44 : 509,564,267.82 = 210,536,245.08 : x - Step 2: Convert to fraction form
369,285,643.44/509,564,267.82 = 210,536,245.08/x - Step 3: Cross multiply
369,285,643.44x = 509,564,267.82 × 210,536,245.08 - Step 4: Simplify right side
369,285,643.44x = 107,281,747,573,762,288 - Step 5: Solve for x
x = 107,281,747,573,762,288/369,285,643.44 - Step 6: Final answer
x = 290,511,557.87
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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.