Finding the Fourth Proportional to 2,170,176,106.23, 3,255,421,053.24 and 908,371,186.38
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Solution
The fourth proportional to 2,170,176,106.23, 3,255,421,053.24 and 908,371,186.38 is: 1,362,622,450.69
Step by Step Solution
- Step 1: Write the proportion equation
2,170,176,106.23 : 3,255,421,053.24 = 908,371,186.38 : x - Step 2: Convert to fraction form
2,170,176,106.23/3,255,421,053.24 = 908,371,186.38/x - Step 3: Cross multiply
2,170,176,106.23x = 3,255,421,053.24 × 908,371,186.38 - Step 4: Simplify right side
2,170,176,106.23x = 2,957,130,684,298,047,488 - Step 5: Solve for x
x = 2,957,130,684,298,047,488/2,170,176,106.23 - Step 6: Final answer
x = 1,362,622,450.69
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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.