Finding the Fourth Proportional to 19,865,845,973.29, 29,774,231,439.58 and 17,048,007,616.63
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Solution
The fourth proportional to 19,865,845,973.29, 29,774,231,439.58 and 17,048,007,616.63 is: 25,550,954,388.94
Step by Step Solution
- Step 1: Write the proportion equation
19,865,845,973.29 : 29,774,231,439.58 = 17,048,007,616.63 : x - Step 2: Convert to fraction form
19,865,845,973.29/29,774,231,439.58 = 17,048,007,616.63/x - Step 3: Cross multiply
19,865,845,973.29x = 29,774,231,439.58 × 17,048,007,616.63 - Step 4: Simplify right side
19,865,845,973.29x = 507,591,324,361,264,267,264 - Step 5: Solve for x
x = 507,591,324,361,264,267,264/19,865,845,973.29 - Step 6: Final answer
x = 25,550,954,388.94
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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.