Finding the Fourth Proportional to 804,387,719.08, 1,206,548,737.98 and 279,876,871.72
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Solution
The fourth proportional to 804,387,719.08, 1,206,548,737.98 and 279,876,871.72 is: 419,803,881.08
Step by Step Solution
- Step 1: Write the proportion equation
804,387,719.08 : 1,206,548,737.98 = 279,876,871.72 : x - Step 2: Convert to fraction form
804,387,719.08/1,206,548,737.98 = 279,876,871.72/x - Step 3: Cross multiply
804,387,719.08x = 1,206,548,737.98 × 279,876,871.72 - Step 4: Simplify right side
804,387,719.08x = 337,685,086,363,556,416 - Step 5: Solve for x
x = 337,685,086,363,556,416/804,387,719.08 - Step 6: Final answer
x = 419,803,881.08
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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.