Finding the Fourth Proportional to 277,946,652,693.62, 383,545,330,661.98 and 155,987,832,914.05
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Solution
The fourth proportional to 277,946,652,693.62, 383,545,330,661.98 and 155,987,832,914.05 is: 215,251,395,814.48
Step by Step Solution
- Step 1: Write the proportion equation
277,946,652,693.62 : 383,545,330,661.98 = 155,987,832,914.05 : x - Step 2: Convert to fraction form
277,946,652,693.62/383,545,330,661.98 = 155,987,832,914.05/x - Step 3: Cross multiply
277,946,652,693.62x = 383,545,330,661.98 × 155,987,832,914.05 - Step 4: Simplify right side
277,946,652,693.62x = 59,828,404,954,264,984,616,960 - Step 5: Solve for x
x = 59,828,404,954,264,984,616,960/277,946,652,693.62 - Step 6: Final answer
x = 215,251,395,814.48
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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.