Finding the Fourth Proportional to 3,772,379,307,976.80, 5,210,177,661,207.20 and 2,535,637,600,492.80
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Solution
The fourth proportional to 3,772,379,307,976.80, 5,210,177,661,207.20 and 2,535,637,600,492.80 is: 3,502,066,283,490.99
Step by Step Solution
- Step 1: Write the proportion equation
3,772,379,307,976.80 : 5,210,177,661,207.20 = 2,535,637,600,492.80 : x - Step 2: Convert to fraction form
3,772,379,307,976.80/5,210,177,661,207.20 = 2,535,637,600,492.80/x - Step 3: Cross multiply
3,772,379,307,976.80x = 5,210,177,661,207.20 × 2,535,637,600,492.80 - Step 4: Simplify right side
3,772,379,307,976.80x = 13,211,122,383,004,612,970,938,368 - Step 5: Solve for x
x = 13,211,122,383,004,612,970,938,368/3,772,379,307,976.80 - Step 6: Final answer
x = 3,502,066,283,490.99
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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.