Finding the Fourth Proportional to 374,979,903.74, 560,189,174.98 and 242,744,916.09
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Solution
The fourth proportional to 374,979,903.74, 560,189,174.98 and 242,744,916.09 is: 362,640,965.34
Step by Step Solution
- Step 1: Write the proportion equation
374,979,903.74 : 560,189,174.98 = 242,744,916.09 : x - Step 2: Convert to fraction form
374,979,903.74/560,189,174.98 = 242,744,916.09/x - Step 3: Cross multiply
374,979,903.74x = 560,189,174.98 × 242,744,916.09 - Step 4: Simplify right side
374,979,903.74x = 135,983,074,274,439,552 - Step 5: Solve for x
x = 135,983,074,274,439,552/374,979,903.74 - Step 6: Final answer
x = 362,640,965.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.