Finding the Fourth Proportional to 1,841,872,906.57, 2,762,512,638.36 and 513,935,298.31
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Solution
The fourth proportional to 1,841,872,906.57, 2,762,512,638.36 and 513,935,298.31 is: 770,820,153.67
Step by Step Solution
- Step 1: Write the proportion equation
1,841,872,906.57 : 2,762,512,638.36 = 513,935,298.31 : x - Step 2: Convert to fraction form
1,841,872,906.57/2,762,512,638.36 = 513,935,298.31/x - Step 3: Cross multiply
1,841,872,906.57x = 2,762,512,638.36 × 513,935,298.31 - Step 4: Simplify right side
1,841,872,906.57x = 1,419,752,756,880,691,712 - Step 5: Solve for x
x = 1,419,752,756,880,691,712/1,841,872,906.57 - Step 6: Final answer
x = 770,820,153.67
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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.