Finding the Fourth Proportional to 5,537,436,855.30, 8,307,020,382.93 and 1,805,860,355.12
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Solution
The fourth proportional to 5,537,436,855.30, 8,307,020,382.93 and 1,805,860,355.12 is: 2,709,072,657.75
Step by Step Solution
- Step 1: Write the proportion equation
5,537,436,855.30 : 8,307,020,382.93 = 1,805,860,355.12 : x - Step 2: Convert to fraction form
5,537,436,855.30/8,307,020,382.93 = 1,805,860,355.12/x - Step 3: Cross multiply
5,537,436,855.30x = 8,307,020,382.93 × 1,805,860,355.12 - Step 4: Simplify right side
5,537,436,855.30x = 15,001,318,778,707,048,448 - Step 5: Solve for x
x = 15,001,318,778,707,048,448/5,537,436,855.30 - Step 6: Final answer
x = 2,709,072,657.75
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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.