Finding the Fourth Proportional to 3,116,344,600.35, 4,674,516,901.34 and 787,288,277.79
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Solution
The fourth proportional to 3,116,344,600.35, 4,674,516,901.34 and 787,288,277.79 is: 1,180,932,416.89
Step by Step Solution
- Step 1: Write the proportion equation
3,116,344,600.35 : 4,674,516,901.34 = 787,288,277.79 : x - Step 2: Convert to fraction form
3,116,344,600.35/4,674,516,901.34 = 787,288,277.79/x - Step 3: Cross multiply
3,116,344,600.35x = 4,674,516,901.34 × 787,288,277.79 - Step 4: Simplify right side
3,116,344,600.35x = 3,680,192,360,752,279,552 - Step 5: Solve for x
x = 3,680,192,360,752,279,552/3,116,344,600.35 - Step 6: Final answer
x = 1,180,932,416.89
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1.5x scale
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.