Finding the Fourth Proportional to 5,516,385,496.84, 7,612,772,763.90 and 3,010,420,631.80
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Solution
The fourth proportional to 5,516,385,496.84, 7,612,772,763.90 and 3,010,420,631.80 is: 4,154,468,212.34
Step by Step Solution
- Step 1: Write the proportion equation
5,516,385,496.84 : 7,612,772,763.90 = 3,010,420,631.80 : x - Step 2: Convert to fraction form
5,516,385,496.84/7,612,772,763.90 = 3,010,420,631.80/x - Step 3: Cross multiply
5,516,385,496.84x = 7,612,772,763.90 × 3,010,420,631.80 - Step 4: Simplify right side
5,516,385,496.84x = 22,917,648,193,649,672,192 - Step 5: Solve for x
x = 22,917,648,193,649,672,192/5,516,385,496.84 - Step 6: Final answer
x = 4,154,468,212.34
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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.