Finding the Fourth Proportional to 1,344,293,465,469.70, 1,855,130,571,604.20 and 726,996,183,491.98
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Solution
The fourth proportional to 1,344,293,465,469.70, 1,855,130,571,604.20 and 726,996,183,491.98 is: 1,003,257,755,898.05
Step by Step Solution
- Step 1: Write the proportion equation
1,344,293,465,469.70 : 1,855,130,571,604.20 = 726,996,183,491.98 : x - Step 2: Convert to fraction form
1,344,293,465,469.70/1,855,130,571,604.20 = 726,996,183,491.98/x - Step 3: Cross multiply
1,344,293,465,469.70x = 1,855,130,571,604.20 × 726,996,183,491.98 - Step 4: Simplify right side
1,344,293,465,469.70x = 1,348,672,845,435,548,670,623,744 - Step 5: Solve for x
x = 1,348,672,845,435,548,670,623,744/1,344,293,465,469.70 - Step 6: Final answer
x = 1,003,257,755,898.05
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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.