Finding the Fourth Proportional to 8,399,334,942.08, 12,590,201,777.49 and 3,913,731,428.58
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Solution
The fourth proportional to 8,399,334,942.08, 12,590,201,777.49 and 3,913,731,428.58 is: 5,866,496,422.45
Step by Step Solution
- Step 1: Write the proportion equation
8,399,334,942.08 : 12,590,201,777.49 = 3,913,731,428.58 : x - Step 2: Convert to fraction form
8,399,334,942.08/12,590,201,777.49 = 3,913,731,428.58/x - Step 3: Cross multiply
8,399,334,942.08x = 12,590,201,777.49 × 3,913,731,428.58 - Step 4: Simplify right side
8,399,334,942.08x = 49,274,668,388,643,872,768 - Step 5: Solve for x
x = 49,274,668,388,643,872,768/8,399,334,942.08 - Step 6: Final answer
x = 5,866,496,422.45
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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.