Finding the Fourth Proportional to 612,920,474.58, 845,848,199.98 and 334,479,945.18
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Solution
The fourth proportional to 612,920,474.58, 845,848,199.98 and 334,479,945.18 is: 461,592,117.23
Step by Step Solution
- Step 1: Write the proportion equation
612,920,474.58 : 845,848,199.98 = 334,479,945.18 : x - Step 2: Convert to fraction form
612,920,474.58/845,848,199.98 = 334,479,945.18/x - Step 3: Cross multiply
612,920,474.58x = 845,848,199.98 × 334,479,945.18 - Step 4: Simplify right side
612,920,474.58x = 282,919,259,554,846,624 - Step 5: Solve for x
x = 282,919,259,554,846,624/612,920,474.58 - Step 6: Final answer
x = 461,592,117.23
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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.