Finding the Fourth Proportional to 3,968,549,701.20, 5,476,555,127.16 and 2,184,365,008.08
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Solution
The fourth proportional to 3,968,549,701.20, 5,476,555,127.16 and 2,184,365,008.08 is: 3,014,399,789.67
Step by Step Solution
- Step 1: Write the proportion equation
3,968,549,701.20 : 5,476,555,127.16 = 2,184,365,008.08 : x - Step 2: Convert to fraction form
3,968,549,701.20/5,476,555,127.16 = 2,184,365,008.08/x - Step 3: Cross multiply
3,968,549,701.20x = 5,476,555,127.16 × 2,184,365,008.08 - Step 4: Simplify right side
3,968,549,701.20x = 11,962,795,384,589,418,496 - Step 5: Solve for x
x = 11,962,795,384,589,418,496/3,968,549,701.20 - Step 6: Final answer
x = 3,014,399,789.67
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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.