Finding the Fourth Proportional to 659,575,204.45, 990,339,083.48 and 369,022,631.65
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Solution
The fourth proportional to 659,575,204.45, 990,339,083.48 and 369,022,631.65 is: 554,080,159.99
Step by Step Solution
- Step 1: Write the proportion equation
659,575,204.45 : 990,339,083.48 = 369,022,631.65 : x - Step 2: Convert to fraction form
659,575,204.45/990,339,083.48 = 369,022,631.65/x - Step 3: Cross multiply
659,575,204.45x = 990,339,083.48 × 369,022,631.65 - Step 4: Simplify right side
659,575,204.45x = 365,457,534,809,793,536 - Step 5: Solve for x
x = 365,457,534,809,793,536/659,575,204.45 - Step 6: Final answer
x = 554,080,159.99
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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.