Finding the Fourth Proportional to 4,458,868,243.20, 6,688,302,364.80 and 2,989,540,166.40
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Solution
The fourth proportional to 4,458,868,243.20, 6,688,302,364.80 and 2,989,540,166.40 is: 4,484,310,249.60
Step by Step Solution
- Step 1: Write the proportion equation
4,458,868,243.20 : 6,688,302,364.80 = 2,989,540,166.40 : x - Step 2: Convert to fraction form
4,458,868,243.20/6,688,302,364.80 = 2,989,540,166.40/x - Step 3: Cross multiply
4,458,868,243.20x = 6,688,302,364.80 × 2,989,540,166.40 - Step 4: Simplify right side
4,458,868,243.20x = 19,994,948,564,597,706,752 - Step 5: Solve for x
x = 19,994,948,564,597,706,752/4,458,868,243.20 - Step 6: Final answer
x = 4,484,310,249.60
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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.