Finding the Fourth Proportional to 3,976,924,490.26, 5,488,400,762.77 and 2,192,772,425.81
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Solution
The fourth proportional to 3,976,924,490.26, 5,488,400,762.77 and 2,192,772,425.81 is: 3,026,161,015.60
Step by Step Solution
- Step 1: Write the proportion equation
3,976,924,490.26 : 5,488,400,762.77 = 2,192,772,425.81 : x - Step 2: Convert to fraction form
3,976,924,490.26/5,488,400,762.77 = 2,192,772,425.81/x - Step 3: Cross multiply
3,976,924,490.26x = 5,488,400,762.77 × 2,192,772,425.81 - Step 4: Simplify right side
3,976,924,490.26x = 12,034,813,854,418,139,136 - Step 5: Solve for x
x = 12,034,813,854,418,139,136/3,976,924,490.26 - Step 6: Final answer
x = 3,026,161,015.60
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1.5x scale
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.