Finding the Fourth Proportional to 2,611,478,646.30, 3,913,593,874.55 and 1,189,901,633.21
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Solution
The fourth proportional to 2,611,478,646.30, 3,913,593,874.55 and 1,189,901,633.21 is: 1,783,201,156.80
Step by Step Solution
- Step 1: Write the proportion equation
2,611,478,646.30 : 3,913,593,874.55 = 1,189,901,633.21 : x - Step 2: Convert to fraction form
2,611,478,646.30/3,913,593,874.55 = 1,189,901,633.21/x - Step 3: Cross multiply
2,611,478,646.30x = 3,913,593,874.55 × 1,189,901,633.21 - Step 4: Simplify right side
2,611,478,646.30x = 4,656,791,743,041,335,296 - Step 5: Solve for x
x = 4,656,791,743,041,335,296/2,611,478,646.30 - Step 6: Final answer
x = 1,783,201,156.80
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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.