Finding the Fourth Proportional to 13,052,415,882.75, 19,558,640,676.55 and 8,782,290,860.72
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Solution
The fourth proportional to 13,052,415,882.75, 19,558,640,676.55 and 8,782,290,860.72 is: 13,159,990,671.82
Step by Step Solution
- Step 1: Write the proportion equation
13,052,415,882.75 : 19,558,640,676.55 = 8,782,290,860.72 : x - Step 2: Convert to fraction form
13,052,415,882.75/19,558,640,676.55 = 8,782,290,860.72/x - Step 3: Cross multiply
13,052,415,882.75x = 19,558,640,676.55 × 8,782,290,860.72 - Step 4: Simplify right side
13,052,415,882.75x = 171,769,671,261,722,607,616 - Step 5: Solve for x
x = 171,769,671,261,722,607,616/13,052,415,882.75 - Step 6: Final answer
x = 13,159,990,671.82
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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.