Finding the Fourth Proportional to 1,651,318,543.28, 2,278,818,930.48 and 908,762,606.48
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Solution
The fourth proportional to 1,651,318,543.28, 2,278,818,930.48 and 908,762,606.48 is: 1,254,092,034.14
Step by Step Solution
- Step 1: Write the proportion equation
1,651,318,543.28 : 2,278,818,930.48 = 908,762,606.48 : x - Step 2: Convert to fraction form
1,651,318,543.28/2,278,818,930.48 = 908,762,606.48/x - Step 3: Cross multiply
1,651,318,543.28x = 2,278,818,930.48 × 908,762,606.48 - Step 4: Simplify right side
1,651,318,543.28x = 2,070,905,430,958,970,880 - Step 5: Solve for x
x = 2,070,905,430,958,970,880/1,651,318,543.28 - Step 6: Final answer
x = 1,254,092,034.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.