Finding the Fourth Proportional to 555,496,698.09, 831,610,469.97 and 370,806,071.70
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Solution
The fourth proportional to 555,496,698.09, 831,610,469.97 and 370,806,071.70 is: 555,117,991.91
Step by Step Solution
- Step 1: Write the proportion equation
555,496,698.09 : 831,610,469.97 = 370,806,071.70 : x - Step 2: Convert to fraction form
555,496,698.09/831,610,469.97 = 370,806,071.70/x - Step 3: Cross multiply
555,496,698.09x = 831,610,469.97 × 370,806,071.70 - Step 4: Simplify right side
555,496,698.09x = 308,366,211,554,166,528 - Step 5: Solve for x
x = 308,366,211,554,166,528/555,496,698.09 - Step 6: Final answer
x = 555,117,991.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.