Finding the Fourth Proportional to 6,551,230,349.90, 9,826,845,524.85 and 2,877,910,157.90
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Solution
The fourth proportional to 6,551,230,349.90, 9,826,845,524.85 and 2,877,910,157.90 is: 4,316,865,236.85
Step by Step Solution
- Step 1: Write the proportion equation
6,551,230,349.90 : 9,826,845,524.85 = 2,877,910,157.90 : x - Step 2: Convert to fraction form
6,551,230,349.90/9,826,845,524.85 = 2,877,910,157.90/x - Step 3: Cross multiply
6,551,230,349.90x = 9,826,845,524.85 × 2,877,910,157.90 - Step 4: Simplify right side
6,551,230,349.90x = 28,280,778,556,079,972,352 - Step 5: Solve for x
x = 28,280,778,556,079,972,352/6,551,230,349.90 - Step 6: Final answer
x = 4,316,865,236.85
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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.