Finding the Fourth Proportional to 2,078,336,194.91, 2,868,081,091.76 and 1,125,693,232.28
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Solution
The fourth proportional to 2,078,336,194.91, 2,868,081,091.76 and 1,125,693,232.28 is: 1,553,444,280.34
Step by Step Solution
- Step 1: Write the proportion equation
2,078,336,194.91 : 2,868,081,091.76 = 1,125,693,232.28 : x - Step 2: Convert to fraction form
2,078,336,194.91/2,868,081,091.76 = 1,125,693,232.28/x - Step 3: Cross multiply
2,078,336,194.91x = 2,868,081,091.76 × 1,125,693,232.28 - Step 4: Simplify right side
2,078,336,194.91x = 3,228,579,474,604,497,408 - Step 5: Solve for x
x = 3,228,579,474,604,497,408/2,078,336,194.91 - Step 6: Final answer
x = 1,553,444,280.34
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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.