Finding the Fourth Proportional to 440,543,820.24, 608,572,153.80 and 353,019,237.84
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Solution
The fourth proportional to 440,543,820.24, 608,572,153.80 and 353,019,237.84 is: 487,664,718.09
Step by Step Solution
- Step 1: Write the proportion equation
440,543,820.24 : 608,572,153.80 = 353,019,237.84 : x - Step 2: Convert to fraction form
440,543,820.24/608,572,153.80 = 353,019,237.84/x - Step 3: Cross multiply
440,543,820.24x = 608,572,153.80 × 353,019,237.84 - Step 4: Simplify right side
440,543,820.24x = 214,837,677,905,123,232 - Step 5: Solve for x
x = 214,837,677,905,123,232/440,543,820.24 - Step 6: Final answer
x = 487,664,718.09
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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.