Finding the Fourth Proportional to 555,496,700.09, 831,610,472.97 and 370,806,073.70
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Solution
The fourth proportional to 555,496,700.09, 831,610,472.97 and 370,806,073.70 is: 555,117,994.90
Step by Step Solution
- Step 1: Write the proportion equation
555,496,700.09 : 831,610,472.97 = 370,806,073.70 : x - Step 2: Convert to fraction form
555,496,700.09/831,610,472.97 = 370,806,073.70/x - Step 3: Cross multiply
555,496,700.09x = 831,610,472.97 × 370,806,073.70 - Step 4: Simplify right side
555,496,700.09x = 308,366,214,329,805,696 - Step 5: Solve for x
x = 308,366,214,329,805,696/555,496,700.09 - Step 6: Final answer
x = 555,117,994.90
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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.