Finding the Fourth Proportional to 5,203,403,623.41, 7,804,182,811.03 and 2,366,533,401.05
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Solution
The fourth proportional to 5,203,403,623.41, 7,804,182,811.03 and 2,366,533,401.05 is: 3,549,380,487.63
Step by Step Solution
- Step 1: Write the proportion equation
5,203,403,623.41 : 7,804,182,811.03 = 2,366,533,401.05 : x - Step 2: Convert to fraction form
5,203,403,623.41/7,804,182,811.03 = 2,366,533,401.05/x - Step 3: Cross multiply
5,203,403,623.41x = 7,804,182,811.03 × 2,366,533,401.05 - Step 4: Simplify right side
5,203,403,623.41x = 18,468,859,290,202,775,552 - Step 5: Solve for x
x = 18,468,859,290,202,775,552/5,203,403,623.41 - Step 6: Final answer
x = 3,549,380,487.63
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1.5x scale
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.