Finding the Fourth Proportional to 288,917,539.12, 398,701,175.96 and 175,846,159.08
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Solution
The fourth proportional to 288,917,539.12, 398,701,175.96 and 175,846,159.08 is: 242,664,639.28
Step by Step Solution
- Step 1: Write the proportion equation
288,917,539.12 : 398,701,175.96 = 175,846,159.08 : x - Step 2: Convert to fraction form
288,917,539.12/398,701,175.96 = 175,846,159.08/x - Step 3: Cross multiply
288,917,539.12x = 398,701,175.96 × 175,846,159.08 - Step 4: Simplify right side
288,917,539.12x = 70,110,070,413,245,232 - Step 5: Solve for x
x = 70,110,070,413,245,232/288,917,539.12 - Step 6: Final answer
x = 242,664,639.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.