Finding the Fourth Proportional to 2,591,777,695.91, 3,887,838,934.34 and 910,859,886.99
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Solution
The fourth proportional to 2,591,777,695.91, 3,887,838,934.34 and 910,859,886.99 is: 1,366,350,415.76
Step by Step Solution
- Step 1: Write the proportion equation
2,591,777,695.91 : 3,887,838,934.34 = 910,859,886.99 : x - Step 2: Convert to fraction form
2,591,777,695.91/3,887,838,934.34 = 910,859,886.99/x - Step 3: Cross multiply
2,591,777,695.91x = 3,887,838,934.34 × 910,859,886.99 - Step 4: Simplify right side
2,591,777,695.91x = 3,541,276,532,363,700,224 - Step 5: Solve for x
x = 3,541,276,532,363,700,224/2,591,777,695.91 - Step 6: Final answer
x = 1,366,350,415.76
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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.