Finding the Fourth Proportional to 2,249,382,374.90, 3,374,296,362.76 and 831,651,230.11
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Solution
The fourth proportional to 2,249,382,374.90, 3,374,296,362.76 and 831,651,230.11 is: 1,247,559,219.88
Step by Step Solution
- Step 1: Write the proportion equation
2,249,382,374.90 : 3,374,296,362.76 = 831,651,230.11 : x - Step 2: Convert to fraction form
2,249,382,374.90/3,374,296,362.76 = 831,651,230.11/x - Step 3: Cross multiply
2,249,382,374.90x = 3,374,296,362.76 × 831,651,230.11 - Step 4: Simplify right side
2,249,382,374.90x = 2,806,237,720,845,052,928 - Step 5: Solve for x
x = 2,806,237,720,845,052,928/2,249,382,374.90 - Step 6: Final answer
x = 1,247,559,219.88
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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.