Finding the Fourth Proportional to 485,651,761.65, 728,477,642.48 and 330,683,566.05
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Solution
The fourth proportional to 485,651,761.65, 728,477,642.48 and 330,683,566.05 is: 496,025,349.08
Step by Step Solution
- Step 1: Write the proportion equation
485,651,761.65 : 728,477,642.48 = 330,683,566.05 : x - Step 2: Convert to fraction form
485,651,761.65/728,477,642.48 = 330,683,566.05/x - Step 3: Cross multiply
485,651,761.65x = 728,477,642.48 × 330,683,566.05 - Step 4: Simplify right side
485,651,761.65x = 240,895,584,601,329,952 - Step 5: Solve for x
x = 240,895,584,601,329,952/485,651,761.65 - Step 6: Final answer
x = 496,025,349.08
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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.