Finding the Fourth Proportional to 5,470,559,399.88, 8,205,902,137.26 and 1,977,230,176.20
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Solution
The fourth proportional to 5,470,559,399.88, 8,205,902,137.26 and 1,977,230,176.20 is: 2,965,868,047.99
Step by Step Solution
- Step 1: Write the proportion equation
5,470,559,399.88 : 8,205,902,137.26 = 1,977,230,176.20 : x - Step 2: Convert to fraction form
5,470,559,399.88/8,205,902,137.26 = 1,977,230,176.20/x - Step 3: Cross multiply
5,470,559,399.88x = 8,205,902,137.26 × 1,977,230,176.20 - Step 4: Simplify right side
5,470,559,399.88x = 16,224,957,328,734,547,968 - Step 5: Solve for x
x = 16,224,957,328,734,547,968/5,470,559,399.88 - Step 6: Final answer
x = 2,965,868,047.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.