Finding the Fourth Proportional to 374,212,921.80, 561,319,382.70 and 374,212,921.80
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Solution
The fourth proportional to 374,212,921.80, 561,319,382.70 and 374,212,921.80 is: 561,319,382.70
Step by Step Solution
- Step 1: Write the proportion equation
374,212,921.80 : 561,319,382.70 = 374,212,921.80 : x - Step 2: Convert to fraction form
374,212,921.80/561,319,382.70 = 374,212,921.80/x - Step 3: Cross multiply
374,212,921.80x = 561,319,382.70 × 374,212,921.80 - Step 4: Simplify right side
374,212,921.80x = 210,052,966,263,139,392 - Step 5: Solve for x
x = 210,052,966,263,139,392/374,212,921.80 - Step 6: Final answer
x = 561,319,382.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.