Finding the Fourth Proportional to 293,418,514.80, 440,127,772.20 and 220,239,089.10
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Solution
The fourth proportional to 293,418,514.80, 440,127,772.20 and 220,239,089.10 is: 330,358,633.65
Step by Step Solution
- Step 1: Write the proportion equation
293,418,514.80 : 440,127,772.20 = 220,239,089.10 : x - Step 2: Convert to fraction form
293,418,514.80/440,127,772.20 = 220,239,089.10/x - Step 3: Cross multiply
293,418,514.80x = 440,127,772.20 × 220,239,089.10 - Step 4: Simplify right side
293,418,514.80x = 96,933,339,636,940,304 - Step 5: Solve for x
x = 96,933,339,636,940,304/293,418,514.80 - Step 6: Final answer
x = 330,358,633.65
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1.5x scale
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.