Finding the Fourth Proportional to 315,461,364.70, 472,769,074.29 and 245,516,051.97
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Solution
The fourth proportional to 315,461,364.70, 472,769,074.29 and 245,516,051.97 is: 367,944,888.35
Step by Step Solution
- Step 1: Write the proportion equation
315,461,364.70 : 472,769,074.29 = 245,516,051.97 : x - Step 2: Convert to fraction form
315,461,364.70/472,769,074.29 = 245,516,051.97/x - Step 3: Cross multiply
315,461,364.70x = 472,769,074.29 × 245,516,051.97 - Step 4: Simplify right side
315,461,364.70x = 116,072,396,612,730,848 - Step 5: Solve for x
x = 116,072,396,612,730,848/315,461,364.70 - Step 6: Final answer
x = 367,944,888.35
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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.