Finding the Fourth Proportional to 371,908,322.70, 513,218,073.51 and 202,363,260.49
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Solution
The fourth proportional to 371,908,322.70, 513,218,073.51 and 202,363,260.49 is: 279,252,913.57
Step by Step Solution
- Step 1: Write the proportion equation
371,908,322.70 : 513,218,073.51 = 202,363,260.49 : x - Step 2: Convert to fraction form
371,908,322.70/513,218,073.51 = 202,363,260.49/x - Step 3: Cross multiply
371,908,322.70x = 513,218,073.51 × 202,363,260.49 - Step 4: Simplify right side
371,908,322.70x = 103,856,482,695,838,208 - Step 5: Solve for x
x = 103,856,482,695,838,208/371,908,322.70 - Step 6: Final answer
x = 279,252,913.57
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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.