Finding the Fourth Proportional to 497,633,101.75, 686,733,975.86 and 277,616,527.75
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Solution
The fourth proportional to 497,633,101.75, 686,733,975.86 and 277,616,527.75 is: 383,110,973.12
Step by Step Solution
- Step 1: Write the proportion equation
497,633,101.75 : 686,733,975.86 = 277,616,527.75 : x - Step 2: Convert to fraction form
497,633,101.75/686,733,975.86 = 277,616,527.75/x - Step 3: Cross multiply
497,633,101.75x = 686,733,975.86 × 277,616,527.75 - Step 4: Simplify right side
497,633,101.75x = 190,648,701,866,205,536 - Step 5: Solve for x
x = 190,648,701,866,205,536/497,633,101.75 - Step 6: Final answer
x = 383,110,973.12
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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.