Finding the Fourth Proportional to 1,942,269,401.70, 2,913,404,102.55 and 1,717,788,723.30
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Solution
The fourth proportional to 1,942,269,401.70, 2,913,404,102.55 and 1,717,788,723.30 is: 2,576,683,084.95
Step by Step Solution
- Step 1: Write the proportion equation
1,942,269,401.70 : 2,913,404,102.55 = 1,717,788,723.30 : x - Step 2: Convert to fraction form
1,942,269,401.70/2,913,404,102.55 = 1,717,788,723.30/x - Step 3: Cross multiply
1,942,269,401.70x = 2,913,404,102.55 × 1,717,788,723.30 - Step 4: Simplify right side
1,942,269,401.70x = 5,004,612,713,776,347,136 - Step 5: Solve for x
x = 5,004,612,713,776,347,136/1,942,269,401.70 - Step 6: Final answer
x = 2,576,683,084.95
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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.