Finding the Fourth Proportional to 434,382,911.30, 651,574,366.95 and 311,301,175.70
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Solution
The fourth proportional to 434,382,911.30, 651,574,366.95 and 311,301,175.70 is: 466,951,763.55
Step by Step Solution
- Step 1: Write the proportion equation
434,382,911.30 : 651,574,366.95 = 311,301,175.70 : x - Step 2: Convert to fraction form
434,382,911.30/651,574,366.95 = 311,301,175.70/x - Step 3: Cross multiply
434,382,911.30x = 651,574,366.95 × 311,301,175.70 - Step 4: Simplify right side
434,382,911.30x = 202,835,866,487,518,240 - Step 5: Solve for x
x = 202,835,866,487,518,240/434,382,911.30 - Step 6: Final answer
x = 466,951,763.55
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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.