Finding the Fourth Proportional to 413,728,334.70, 620,592,502.05 and 183,452,981.10
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Solution
The fourth proportional to 413,728,334.70, 620,592,502.05 and 183,452,981.10 is: 275,179,471.65
Step by Step Solution
- Step 1: Write the proportion equation
413,728,334.70 : 620,592,502.05 = 183,452,981.10 : x - Step 2: Convert to fraction form
413,728,334.70/620,592,502.05 = 183,452,981.10/x - Step 3: Cross multiply
413,728,334.70x = 620,592,502.05 × 183,452,981.10 - Step 4: Simplify right side
413,728,334.70x = 113,849,544,549,380,352 - Step 5: Solve for x
x = 113,849,544,549,380,352/413,728,334.70 - Step 6: Final answer
x = 275,179,471.65
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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.