Finding the Fourth Proportional to 2,742,998,581.08, 3,785,652,063.42 and 1,537,665,375.68
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Solution
The fourth proportional to 2,742,998,581.08, 3,785,652,063.42 and 1,537,665,375.68 is: 2,122,154,252.08
Step by Step Solution
- Step 1: Write the proportion equation
2,742,998,581.08 : 3,785,652,063.42 = 1,537,665,375.68 : x - Step 2: Convert to fraction form
2,742,998,581.08/3,785,652,063.42 = 1,537,665,375.68/x - Step 3: Cross multiply
2,742,998,581.08x = 3,785,652,063.42 × 1,537,665,375.68 - Step 4: Simplify right side
2,742,998,581.08x = 5,821,066,102,292,482,048 - Step 5: Solve for x
x = 5,821,066,102,292,482,048/2,742,998,581.08 - Step 6: Final answer
x = 2,122,154,252.08
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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.