Finding the Fourth Proportional to 492,666,510.44, 679,806,650.58 and 299,224,561.63
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Solution
The fourth proportional to 492,666,510.44, 679,806,650.58 and 299,224,561.63 is: 412,885,476.70
Step by Step Solution
- Step 1: Write the proportion equation
492,666,510.44 : 679,806,650.58 = 299,224,561.63 : x - Step 2: Convert to fraction form
492,666,510.44/679,806,650.58 = 299,224,561.63/x - Step 3: Cross multiply
492,666,510.44x = 679,806,650.58 × 299,224,561.63 - Step 4: Simplify right side
492,666,510.44x = 203,414,847,015,800,608 - Step 5: Solve for x
x = 203,414,847,015,800,608/492,666,510.44 - Step 6: Final answer
x = 412,885,476.70
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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.