Finding the Fourth Proportional to 7,889,621,860.28, 11,853,312,539.61 and 5,058,962,020.82
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Solution
The fourth proportional to 7,889,621,860.28, 11,853,312,539.61 and 5,058,962,020.82 is: 7,600,549,053.01
Step by Step Solution
- Step 1: Write the proportion equation
7,889,621,860.28 : 11,853,312,539.61 = 5,058,962,020.82 : x - Step 2: Convert to fraction form
7,889,621,860.28/11,853,312,539.61 = 5,058,962,020.82/x - Step 3: Cross multiply
7,889,621,860.28x = 11,853,312,539.61 × 5,058,962,020.82 - Step 4: Simplify right side
7,889,621,860.28x = 59,965,457,958,796,451,840 - Step 5: Solve for x
x = 59,965,457,958,796,451,840/7,889,621,860.28 - Step 6: Final answer
x = 7,600,549,053.01
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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.