Finding the Fourth Proportional to 361,543,743.84, 498,935,833.14 and 202,809,053.70
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Solution
The fourth proportional to 361,543,743.84, 498,935,833.14 and 202,809,053.70 is: 279,879,560.63
Step by Step Solution
- Step 1: Write the proportion equation
361,543,743.84 : 498,935,833.14 = 202,809,053.70 : x - Step 2: Convert to fraction form
361,543,743.84/498,935,833.14 = 202,809,053.70/x - Step 3: Cross multiply
361,543,743.84x = 498,935,833.14 × 202,809,053.70 - Step 4: Simplify right side
361,543,743.84x = 101,188,704,176,144,496 - Step 5: Solve for x
x = 101,188,704,176,144,496/361,543,743.84 - Step 6: Final answer
x = 279,879,560.63
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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.