Finding the Fourth Proportional to 3,467,730,839.76, 4,785,468,590.58 and 1,881,822,795.70
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Solution
The fourth proportional to 3,467,730,839.76, 4,785,468,590.58 and 1,881,822,795.70 is: 2,596,915,475.27
Step by Step Solution
- Step 1: Write the proportion equation
3,467,730,839.76 : 4,785,468,590.58 = 1,881,822,795.70 : x - Step 2: Convert to fraction form
3,467,730,839.76/4,785,468,590.58 = 1,881,822,795.70/x - Step 3: Cross multiply
3,467,730,839.76x = 4,785,468,590.58 × 1,881,822,795.70 - Step 4: Simplify right side
3,467,730,839.76x = 9,005,403,881,859,793,920 - Step 5: Solve for x
x = 9,005,403,881,859,793,920/3,467,730,839.76 - Step 6: Final answer
x = 2,596,915,475.27
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1.5x scale
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.