Finding the Fourth Proportional to 4,986,323,550.49, 6,881,075,481.32 and 2,758,671,681.97
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Solution
The fourth proportional to 4,986,323,550.49, 6,881,075,481.32 and 2,758,671,681.97 is: 3,806,938,695.33
Step by Step Solution
- Step 1: Write the proportion equation
4,986,323,550.49 : 6,881,075,481.32 = 2,758,671,681.97 : x - Step 2: Convert to fraction form
4,986,323,550.49/6,881,075,481.32 = 2,758,671,681.97/x - Step 3: Cross multiply
4,986,323,550.49x = 6,881,075,481.32 × 2,758,671,681.97 - Step 4: Simplify right side
4,986,323,550.49x = 18,982,628,071,767,371,776 - Step 5: Solve for x
x = 18,982,628,071,767,371,776/4,986,323,550.49 - Step 6: Final answer
x = 3,806,938,695.33
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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.