Finding the Fourth Proportional to 455,054,371.88, 627,975,023.54 and 246,210,514.65
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Solution
The fourth proportional to 455,054,371.88, 627,975,023.54 and 246,210,514.65 is: 339,770,504.99
Step by Step Solution
- Step 1: Write the proportion equation
455,054,371.88 : 627,975,023.54 = 246,210,514.65 : x - Step 2: Convert to fraction form
455,054,371.88/627,975,023.54 = 246,210,514.65/x - Step 3: Cross multiply
455,054,371.88x = 627,975,023.54 × 246,210,514.65 - Step 4: Simplify right side
455,054,371.88x = 154,614,053,731,898,208 - Step 5: Solve for x
x = 154,614,053,731,898,208/455,054,371.88 - Step 6: Final answer
x = 339,770,504.99
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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.