Finding the Fourth Proportional to 432,966,909.44, 649,450,351.61 and 199,728,613.70
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Solution
The fourth proportional to 432,966,909.44, 649,450,351.61 and 199,728,613.70 is: 299,592,914.76
Step by Step Solution
- Step 1: Write the proportion equation
432,966,909.44 : 649,450,351.61 = 199,728,613.70 : x - Step 2: Convert to fraction form
432,966,909.44/649,450,351.61 = 199,728,613.70/x - Step 3: Cross multiply
432,966,909.44x = 649,450,351.61 × 199,728,613.70 - Step 4: Simplify right side
432,966,909.44x = 129,713,818,393,044,224 - Step 5: Solve for x
x = 129,713,818,393,044,224/432,966,909.44 - Step 6: Final answer
x = 299,592,914.76
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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.