Finding the Fourth Proportional to 279,668,583.94, 385,944,295.30 and 162,263,820.82
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Solution
The fourth proportional to 279,668,583.94, 385,944,295.30 and 162,263,820.82 is: 223,925,029.75
Step by Step Solution
- Step 1: Write the proportion equation
279,668,583.94 : 385,944,295.30 = 162,263,820.82 : x - Step 2: Convert to fraction form
279,668,583.94/385,944,295.30 = 162,263,820.82/x - Step 3: Cross multiply
279,668,583.94x = 385,944,295.30 × 162,263,820.82 - Step 4: Simplify right side
279,668,583.94x = 62,624,795,979,060,368 - Step 5: Solve for x
x = 62,624,795,979,060,368/279,668,583.94 - Step 6: Final answer
x = 223,925,029.75
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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.