Finding the Fourth Proportional to 882,886,268.34, 1,218,438,083.95 and 486,409,175.82
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Solution
The fourth proportional to 882,886,268.34, 1,218,438,083.95 and 486,409,175.82 is: 671,274,982.35
Step by Step Solution
- Step 1: Write the proportion equation
882,886,268.34 : 1,218,438,083.95 = 486,409,175.82 : x - Step 2: Convert to fraction form
882,886,268.34/1,218,438,083.95 = 486,409,175.82/x - Step 3: Cross multiply
882,886,268.34x = 1,218,438,083.95 × 486,409,175.82 - Step 4: Simplify right side
882,886,268.34x = 592,659,464,200,603,392 - Step 5: Solve for x
x = 592,659,464,200,603,392/882,886,268.34 - Step 6: Final answer
x = 671,274,982.35
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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.