Finding the Fourth Proportional to 8,239,726,477.92, 11,371,038,044.94 and 4,480,756,892.40
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Solution
The fourth proportional to 8,239,726,477.92, 11,371,038,044.94 and 4,480,756,892.40 is: 6,183,561,703.19
Step by Step Solution
- Step 1: Write the proportion equation
8,239,726,477.92 : 11,371,038,044.94 = 4,480,756,892.40 : x - Step 2: Convert to fraction form
8,239,726,477.92/11,371,038,044.94 = 4,480,756,892.40/x - Step 3: Cross multiply
8,239,726,477.92x = 11,371,038,044.94 × 4,480,756,892.40 - Step 4: Simplify right side
8,239,726,477.92x = 50,950,857,093,607,522,304 - Step 5: Solve for x
x = 50,950,857,093,607,522,304/8,239,726,477.92 - Step 6: Final answer
x = 6,183,561,703.19
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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.