Finding the Fourth Proportional to 2,849,140,700.79, 3,931,811,185.12 and 1,596,086,377.13
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Solution
The fourth proportional to 2,849,140,700.79, 3,931,811,185.12 and 1,596,086,377.13 is: 2,202,597,529.94
Step by Step Solution
- Step 1: Write the proportion equation
2,849,140,700.79 : 3,931,811,185.12 = 1,596,086,377.13 : x - Step 2: Convert to fraction form
2,849,140,700.79/3,931,811,185.12 = 1,596,086,377.13/x - Step 3: Cross multiply
2,849,140,700.79x = 3,931,811,185.12 × 1,596,086,377.13 - Step 4: Simplify right side
2,849,140,700.79x = 6,275,510,270,017,392,640 - Step 5: Solve for x
x = 6,275,510,270,017,392,640/2,849,140,700.79 - Step 6: Final answer
x = 2,202,597,529.94
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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.