Finding the Fourth Proportional to 296,228,830.80, 444,343,246.20 and 252,390,853.20
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Solution
The fourth proportional to 296,228,830.80, 444,343,246.20 and 252,390,853.20 is: 378,586,279.80
Step by Step Solution
- Step 1: Write the proportion equation
296,228,830.80 : 444,343,246.20 = 252,390,853.20 : x - Step 2: Convert to fraction form
296,228,830.80/444,343,246.20 = 252,390,853.20/x - Step 3: Cross multiply
296,228,830.80x = 444,343,246.20 × 252,390,853.20 - Step 4: Simplify right side
296,228,830.80x = 112,148,171,022,075,648 - Step 5: Solve for x
x = 112,148,171,022,075,648/296,228,830.80 - Step 6: Final answer
x = 378,586,279.80
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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.