Finding the Fourth Proportional to 1,718,939,762.96, 2,578,406,425.29 and 538,610,600.79
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Solution
The fourth proportional to 1,718,939,762.96, 2,578,406,425.29 and 538,610,600.79 is: 807,914,892.50
Step by Step Solution
- Step 1: Write the proportion equation
1,718,939,762.96 : 2,578,406,425.29 = 538,610,600.79 : x - Step 2: Convert to fraction form
1,718,939,762.96/2,578,406,425.29 = 538,610,600.79/x - Step 3: Cross multiply
1,718,939,762.96x = 2,578,406,425.29 × 538,610,600.79 - Step 4: Simplify right side
1,718,939,762.96x = 1,388,757,033,806,243,072 - Step 5: Solve for x
x = 1,388,757,033,806,243,072/1,718,939,762.96 - Step 6: Final answer
x = 807,914,892.50
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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.