Finding the Fourth Proportional to 7,456,187,718.31, 10,289,757,197.53 and 4,069,314,239.08
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Solution
The fourth proportional to 7,456,187,718.31, 10,289,757,197.53 and 4,069,314,239.08 is: 5,615,772,706.17
Step by Step Solution
- Step 1: Write the proportion equation
7,456,187,718.31 : 10,289,757,197.53 = 4,069,314,239.08 : x - Step 2: Convert to fraction form
7,456,187,718.31/10,289,757,197.53 = 4,069,314,239.08/x - Step 3: Cross multiply
7,456,187,718.31x = 10,289,757,197.53 × 4,069,314,239.08 - Step 4: Simplify right side
7,456,187,718.31x = 41,872,255,480,576,606,208 - Step 5: Solve for x
x = 41,872,255,480,576,606,208/7,456,187,718.31 - Step 6: Final answer
x = 5,615,772,706.17
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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.