Finding the Fourth Proportional to 704,906,153.92, 1,057,241,953.86 and 213,502,590.28
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Solution
The fourth proportional to 704,906,153.92, 1,057,241,953.86 and 213,502,590.28 is: 320,218,364.45
Step by Step Solution
- Step 1: Write the proportion equation
704,906,153.92 : 1,057,241,953.86 = 213,502,590.28 : x - Step 2: Convert to fraction form
704,906,153.92/1,057,241,953.86 = 213,502,590.28/x - Step 3: Cross multiply
704,906,153.92x = 1,057,241,953.86 × 213,502,590.28 - Step 4: Simplify right side
704,906,153.92x = 225,723,895,701,798,240 - Step 5: Solve for x
x = 225,723,895,701,798,240/704,906,153.92 - Step 6: Final answer
x = 320,218,364.45
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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.