Finding the Fourth Proportional to 328,165,071.44, 452,817,492.36 and 188,908,924.88
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Solution
The fourth proportional to 328,165,071.44, 452,817,492.36 and 188,908,924.88 is: 260,665,357.45
Step by Step Solution
- Step 1: Write the proportion equation
328,165,071.44 : 452,817,492.36 = 188,908,924.88 : x - Step 2: Convert to fraction form
328,165,071.44/452,817,492.36 = 188,908,924.88/x - Step 3: Cross multiply
328,165,071.44x = 452,817,492.36 × 188,908,924.88 - Step 4: Simplify right side
328,165,071.44x = 85,541,265,648,585,216 - Step 5: Solve for x
x = 85,541,265,648,585,216/328,165,071.44 - Step 6: Final answer
x = 260,665,357.45
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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.