Finding the Fourth Proportional to 1,663,532,578.12, 2,495,681,553.90 and 558,284,101.60
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Solution
The fourth proportional to 1,663,532,578.12, 2,495,681,553.90 and 558,284,101.60 is: 837,554,582.65
Step by Step Solution
- Step 1: Write the proportion equation
1,663,532,578.12 : 2,495,681,553.90 = 558,284,101.60 : x - Step 2: Convert to fraction form
1,663,532,578.12/2,495,681,553.90 = 558,284,101.60/x - Step 3: Cross multiply
1,663,532,578.12x = 2,495,681,553.90 × 558,284,101.60 - Step 4: Simplify right side
1,663,532,578.12x = 1,393,299,334,198,753,536 - Step 5: Solve for x
x = 1,393,299,334,198,753,536/1,663,532,578.12 - Step 6: Final answer
x = 837,554,582.65
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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.