Finding the Fourth Proportional to 3,443,652,961.74, 4,752,229,433.22 and 1,938,278,440.62
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Solution
The fourth proportional to 3,443,652,961.74, 4,752,229,433.22 and 1,938,278,440.62 is: 2,674,817,688.55
Step by Step Solution
- Step 1: Write the proportion equation
3,443,652,961.74 : 4,752,229,433.22 = 1,938,278,440.62 : x - Step 2: Convert to fraction form
3,443,652,961.74/4,752,229,433.22 = 1,938,278,440.62/x - Step 3: Cross multiply
3,443,652,961.74x = 4,752,229,433.22 × 1,938,278,440.62 - Step 4: Simplify right side
3,443,652,961.74x = 9,211,143,855,290,128,384 - Step 5: Solve for x
x = 9,211,143,855,290,128,384/3,443,652,961.74 - Step 6: Final answer
x = 2,674,817,688.55
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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.