Finding the Fourth Proportional to 537,716,031.80, 806,574,047.70 and 265,217,343.80
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Solution
The fourth proportional to 537,716,031.80, 806,574,047.70 and 265,217,343.80 is: 397,826,015.70
Step by Step Solution
- Step 1: Write the proportion equation
537,716,031.80 : 806,574,047.70 = 265,217,343.80 : x - Step 2: Convert to fraction form
537,716,031.80/806,574,047.70 = 265,217,343.80/x - Step 3: Cross multiply
537,716,031.80x = 806,574,047.70 × 265,217,343.80 - Step 4: Simplify right side
537,716,031.80x = 213,917,426,509,008,512 - Step 5: Solve for x
x = 213,917,426,509,008,512/537,716,031.80 - Step 6: Final answer
x = 397,826,015.70
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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.