Finding the Fourth Proportional to 2,644,953,161.84, 3,967,437,901.20 and 652,995,449.60
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Solution
The fourth proportional to 2,644,953,161.84, 3,967,437,901.20 and 652,995,449.60 is: 979,495,188.58
Step by Step Solution
- Step 1: Write the proportion equation
2,644,953,161.84 : 3,967,437,901.20 = 652,995,449.60 : x - Step 2: Convert to fraction form
2,644,953,161.84/3,967,437,901.20 = 652,995,449.60/x - Step 3: Cross multiply
2,644,953,161.84x = 3,967,437,901.20 × 652,995,449.60 - Step 4: Simplify right side
2,644,953,161.84x = 2,590,718,896,054,174,208 - Step 5: Solve for x
x = 2,590,718,896,054,174,208/2,644,953,161.84 - Step 6: Final answer
x = 979,495,188.58
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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.