Finding the Fourth Proportional to 374,980,613.62, 517,477,385.73 and 207,719,436.82
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Solution
The fourth proportional to 374,980,613.62, 517,477,385.73 and 207,719,436.82 is: 286,655,115.56
Step by Step Solution
- Step 1: Write the proportion equation
374,980,613.62 : 517,477,385.73 = 207,719,436.82 : x - Step 2: Convert to fraction form
374,980,613.62/517,477,385.73 = 207,719,436.82/x - Step 3: Cross multiply
374,980,613.62x = 517,477,385.73 × 207,719,436.82 - Step 4: Simplify right side
374,980,613.62x = 107,490,111,130,921,504 - Step 5: Solve for x
x = 107,490,111,130,921,504/374,980,613.62 - Step 6: Final answer
x = 286,655,115.56
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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.