Finding the Fourth Proportional to 634,273,590.19, 875,286,814.81 and 355,809,135.01
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Solution
The fourth proportional to 634,273,590.19, 875,286,814.81 and 355,809,135.01 is: 491,010,581.68
Step by Step Solution
- Step 1: Write the proportion equation
634,273,590.19 : 875,286,814.81 = 355,809,135.01 : x - Step 2: Convert to fraction form
634,273,590.19/875,286,814.81 = 355,809,135.01/x - Step 3: Cross multiply
634,273,590.19x = 875,286,814.81 × 355,809,135.01 - Step 4: Simplify right side
634,273,590.19x = 311,435,044,463,204,160 - Step 5: Solve for x
x = 311,435,044,463,204,160/634,273,590.19 - Step 6: Final answer
x = 491,010,581.68
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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.