Finding the Fourth Proportional to 374,702,174.60, 517,143,115.16 and 215,901,895.19
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Solution
The fourth proportional to 374,702,174.60, 517,143,115.16 and 215,901,895.19 is: 297,975,795.75
Step by Step Solution
- Step 1: Write the proportion equation
374,702,174.60 : 517,143,115.16 = 215,901,895.19 : x - Step 2: Convert to fraction form
374,702,174.60/517,143,115.16 = 215,901,895.19/x - Step 3: Cross multiply
374,702,174.60x = 517,143,115.16 × 215,901,895.19 - Step 4: Simplify right side
374,702,174.60x = 111,652,178,643,839,184 - Step 5: Solve for x
x = 111,652,178,643,839,184/374,702,174.60 - Step 6: Final answer
x = 297,975,795.75
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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.