Finding the Fourth Proportional to 3,959,564,553.20, 5,939,346,829.80 and 2,122,904,457.20
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Solution
The fourth proportional to 3,959,564,553.20, 5,939,346,829.80 and 2,122,904,457.20 is: 3,184,356,685.80
Step by Step Solution
- Step 1: Write the proportion equation
3,959,564,553.20 : 5,939,346,829.80 = 2,122,904,457.20 : x - Step 2: Convert to fraction form
3,959,564,553.20/5,939,346,829.80 = 2,122,904,457.20/x - Step 3: Cross multiply
3,959,564,553.20x = 5,939,346,829.80 × 2,122,904,457.20 - Step 4: Simplify right side
3,959,564,553.20x = 12,608,665,857,839,110,144 - Step 5: Solve for x
x = 12,608,665,857,839,110,144/3,959,564,553.20 - Step 6: Final answer
x = 3,184,356,685.80
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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.