Finding the Fourth Proportional to 872,963,869,566.66, 1,204,677,319,253.60 and 487,593,839,376.99
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Solution
The fourth proportional to 872,963,869,566.66, 1,204,677,319,253.60 and 487,593,839,376.99 is: 672,872,337,313.14
Step by Step Solution
- Step 1: Write the proportion equation
872,963,869,566.66 : 1,204,677,319,253.60 = 487,593,839,376.99 : x - Step 2: Convert to fraction form
872,963,869,566.66/1,204,677,319,253.60 = 487,593,839,376.99/x - Step 3: Cross multiply
872,963,869,566.66x = 1,204,677,319,253.60 × 487,593,839,376.99 - Step 4: Simplify right side
872,963,869,566.66x = 587,393,239,305,242,810,515,456 - Step 5: Solve for x
x = 587,393,239,305,242,810,515,456/872,963,869,566.66 - Step 6: Final answer
x = 672,872,337,313.14
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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.