Finding the Fourth Proportional to 387,253,799.94, 581,052,237.29 and 202,977,482.01
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Solution
The fourth proportional to 387,253,799.94, 581,052,237.29 and 202,977,482.01 is: 304,556,133.63
Step by Step Solution
- Step 1: Write the proportion equation
387,253,799.94 : 581,052,237.29 = 202,977,482.01 : x - Step 2: Convert to fraction form
387,253,799.94/581,052,237.29 = 202,977,482.01/x - Step 3: Cross multiply
387,253,799.94x = 581,052,237.29 × 202,977,482.01 - Step 4: Simplify right side
387,253,799.94x = 117,940,520,041,401,216 - Step 5: Solve for x
x = 117,940,520,041,401,216/387,253,799.94 - Step 6: Final answer
x = 304,556,133.63
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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.