Finding the Fourth Proportional to 352,453,298.68, 486,279,482.97 and 211,273,006.78
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Solution
The fourth proportional to 352,453,298.68, 486,279,482.97 and 211,273,006.78 is: 291,493,167.71
Step by Step Solution
- Step 1: Write the proportion equation
352,453,298.68 : 486,279,482.97 = 211,273,006.78 : x - Step 2: Convert to fraction form
352,453,298.68/486,279,482.97 = 211,273,006.78/x - Step 3: Cross multiply
352,453,298.68x = 486,279,482.97 × 211,273,006.78 - Step 4: Simplify right side
352,453,298.68x = 102,737,728,502,495,712 - Step 5: Solve for x
x = 102,737,728,502,495,712/352,453,298.68 - Step 6: Final answer
x = 291,493,167.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.