Finding the Fourth Proportional to 3,702,241,198.24, 5,549,457,433.68 and 1,214,452,503.12
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Solution
The fourth proportional to 3,702,241,198.24, 5,549,457,433.68 and 1,214,452,503.12 is: 1,820,397,999.59
Step by Step Solution
- Step 1: Write the proportion equation
3,702,241,198.24 : 5,549,457,433.68 = 1,214,452,503.12 : x - Step 2: Convert to fraction form
3,702,241,198.24/5,549,457,433.68 = 1,214,452,503.12/x - Step 3: Cross multiply
3,702,241,198.24x = 5,549,457,433.68 × 1,214,452,503.12 - Step 4: Simplify right side
3,702,241,198.24x = 6,739,552,471,290,566,656 - Step 5: Solve for x
x = 6,739,552,471,290,566,656/3,702,241,198.24 - Step 6: Final answer
x = 1,820,397,999.59
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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.