Finding the Fourth Proportional to 1,963,999,385.87, 2,946,551,777.44 and 858,701,308.19
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Solution
The fourth proportional to 1,963,999,385.87, 2,946,551,777.44 and 858,701,308.19 is: 1,288,293,613.60
Step by Step Solution
- Step 1: Write the proportion equation
1,963,999,385.87 : 2,946,551,777.44 = 858,701,308.19 : x - Step 2: Convert to fraction form
1,963,999,385.87/2,946,551,777.44 = 858,701,308.19/x - Step 3: Cross multiply
1,963,999,385.87x = 2,946,551,777.44 × 858,701,308.19 - Step 4: Simplify right side
1,963,999,385.87x = 2,530,207,865,920,418,304 - Step 5: Solve for x
x = 2,530,207,865,920,418,304/1,963,999,385.87 - Step 6: Final answer
x = 1,288,293,613.60
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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.