Finding the Fourth Proportional to 1,841,872,905.57, 2,762,512,636.86 and 513,935,297.31
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Solution
The fourth proportional to 1,841,872,905.57, 2,762,512,636.86 and 513,935,297.31 is: 770,820,152.17
Step by Step Solution
- Step 1: Write the proportion equation
1,841,872,905.57 : 2,762,512,636.86 = 513,935,297.31 : x - Step 2: Convert to fraction form
1,841,872,905.57/2,762,512,636.86 = 513,935,297.31/x - Step 3: Cross multiply
1,841,872,905.57x = 2,762,512,636.86 × 513,935,297.31 - Step 4: Simplify right side
1,841,872,905.57x = 1,419,752,753,347,276,288 - Step 5: Solve for x
x = 1,419,752,753,347,276,288/1,841,872,905.57 - Step 6: Final answer
x = 770,820,152.17
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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.