Finding the Fourth Proportional to 823,479,564.42, 1,235,259,073.44 and 270,769,756.14
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Solution
The fourth proportional to 823,479,564.42, 1,235,259,073.44 and 270,769,756.14 is: 406,167,696.85
Step by Step Solution
- Step 1: Write the proportion equation
823,479,564.42 : 1,235,259,073.44 = 270,769,756.14 : x - Step 2: Convert to fraction form
823,479,564.42/1,235,259,073.44 = 270,769,756.14/x - Step 3: Cross multiply
823,479,564.42x = 1,235,259,073.44 × 270,769,756.14 - Step 4: Simplify right side
823,479,564.42x = 334,470,798,085,071,168 - Step 5: Solve for x
x = 334,470,798,085,071,168/823,479,564.42 - Step 6: Final answer
x = 406,167,696.85
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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.