Finding the Fourth Proportional to 1,718,941,133.43, 2,578,408,477.94 and 538,611,973.70
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Solution
The fourth proportional to 1,718,941,133.43, 2,578,408,477.94 and 538,611,973.70 is: 807,916,950.90
Step by Step Solution
- Step 1: Write the proportion equation
1,718,941,133.43 : 2,578,408,477.94 = 538,611,973.70 : x - Step 2: Convert to fraction form
1,718,941,133.43/2,578,408,477.94 = 538,611,973.70/x - Step 3: Cross multiply
1,718,941,133.43x = 2,578,408,477.94 × 538,611,973.70 - Step 4: Simplify right side
1,718,941,133.43x = 1,388,761,679,296,530,944 - Step 5: Solve for x
x = 1,388,761,679,296,530,944/1,718,941,133.43 - Step 6: Final answer
x = 807,916,950.90
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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.