Finding the Fourth Proportional to 5,064,678,645.84, 6,989,644,270.56 and 3,186,693,697.68
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Solution
The fourth proportional to 5,064,678,645.84, 6,989,644,270.56 and 3,186,693,697.68 is: 4,397,881,268.21
Step by Step Solution
- Step 1: Write the proportion equation
5,064,678,645.84 : 6,989,644,270.56 = 3,186,693,697.68 : x - Step 2: Convert to fraction form
5,064,678,645.84/6,989,644,270.56 = 3,186,693,697.68/x - Step 3: Cross multiply
5,064,678,645.84x = 6,989,644,270.56 × 3,186,693,697.68 - Step 4: Simplify right side
5,064,678,645.84x = 22,273,855,346,018,672,640 - Step 5: Solve for x
x = 22,273,855,346,018,672,640/5,064,678,645.84 - Step 6: Final answer
x = 4,397,881,268.21
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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.