Finding the Fourth Proportional to 2,914,720,985.88, 4,372,081,338.70 and 816,508,060.23
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Solution
The fourth proportional to 2,914,720,985.88, 4,372,081,338.70 and 816,508,060.23 is: 1,224,762,051.09
Step by Step Solution
- Step 1: Write the proportion equation
2,914,720,985.88 : 4,372,081,338.70 = 816,508,060.23 : x - Step 2: Convert to fraction form
2,914,720,985.88/4,372,081,338.70 = 816,508,060.23/x - Step 3: Cross multiply
2,914,720,985.88x = 4,372,081,338.70 × 816,508,060.23 - Step 4: Simplify right side
2,914,720,985.88x = 3,569,839,653,027,677,696 - Step 5: Solve for x
x = 3,569,839,653,027,677,696/2,914,720,985.88 - Step 6: Final answer
x = 1,224,762,051.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.