Finding the Fourth Proportional to 406,299,216.63, 560,727,499.68 and 230,118,553.53
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Solution
The fourth proportional to 406,299,216.63, 560,727,499.68 and 230,118,553.53 is: 317,583,189.60
Step by Step Solution
- Step 1: Write the proportion equation
406,299,216.63 : 560,727,499.68 = 230,118,553.53 : x - Step 2: Convert to fraction form
406,299,216.63/560,727,499.68 = 230,118,553.53/x - Step 3: Cross multiply
406,299,216.63x = 560,727,499.68 × 230,118,553.53 - Step 4: Simplify right side
406,299,216.63x = 129,033,801,150,855,120 - Step 5: Solve for x
x = 129,033,801,150,855,120/406,299,216.63 - Step 6: Final answer
x = 317,583,189.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.