Finding the Fourth Proportional to 1,654,972,250.37, 2,283,877,559.21 and 912,442,943.49
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Solution
The fourth proportional to 1,654,972,250.37, 2,283,877,559.21 and 912,442,943.49 is: 1,259,180,002.70
Step by Step Solution
- Step 1: Write the proportion equation
1,654,972,250.37 : 2,283,877,559.21 = 912,442,943.49 : x - Step 2: Convert to fraction form
1,654,972,250.37/2,283,877,559.21 = 912,442,943.49/x - Step 3: Cross multiply
1,654,972,250.37x = 2,283,877,559.21 × 912,442,943.49 - Step 4: Simplify right side
1,654,972,250.37x = 2,083,907,962,696,329,216 - Step 5: Solve for x
x = 2,083,907,962,696,329,216/1,654,972,250.37 - Step 6: Final answer
x = 1,259,180,002.70
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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.