Finding the Fourth Proportional to 438,312,329.01, 658,517,368.46 and 281,053,449.02
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Solution
The fourth proportional to 438,312,329.01, 658,517,368.46 and 281,053,449.02 is: 422,252,730.29
Step by Step Solution
- Step 1: Write the proportion equation
438,312,329.01 : 658,517,368.46 = 281,053,449.02 : x - Step 2: Convert to fraction form
438,312,329.01/658,517,368.46 = 281,053,449.02/x - Step 3: Cross multiply
438,312,329.01x = 658,517,368.46 × 281,053,449.02 - Step 4: Simplify right side
438,312,329.01x = 185,078,577,645,498,176 - Step 5: Solve for x
x = 185,078,577,645,498,176/438,312,329.01 - Step 6: Final answer
x = 422,252,730.29
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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.