Finding the Fourth Proportional to 274,833,507.15, 379,452,871.35 and 211,140,406.26
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Solution
The fourth proportional to 274,833,507.15, 379,452,871.35 and 211,140,406.26 is: 291,514,066.99
Step by Step Solution
- Step 1: Write the proportion equation
274,833,507.15 : 379,452,871.35 = 211,140,406.26 : x - Step 2: Convert to fraction form
274,833,507.15/379,452,871.35 = 211,140,406.26/x - Step 3: Cross multiply
274,833,507.15x = 379,452,871.35 × 211,140,406.26 - Step 4: Simplify right side
274,833,507.15x = 80,117,833,413,362,512 - Step 5: Solve for x
x = 80,117,833,413,362,512/274,833,507.15 - Step 6: Final answer
x = 291,514,066.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.