Finding the Fourth Proportional to 9,129,024,603.60, 13,693,536,905.40 and 8,512,269,608.40
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Solution
The fourth proportional to 9,129,024,603.60, 13,693,536,905.40 and 8,512,269,608.40 is: 12,768,404,412.60
Step by Step Solution
- Step 1: Write the proportion equation
9,129,024,603.60 : 13,693,536,905.40 = 8,512,269,608.40 : x - Step 2: Convert to fraction form
9,129,024,603.60/13,693,536,905.40 = 8,512,269,608.40/x - Step 3: Cross multiply
9,129,024,603.60x = 13,693,536,905.40 × 8,512,269,608.40 - Step 4: Simplify right side
9,129,024,603.60x = 116,563,078,031,340,191,744 - Step 5: Solve for x
x = 116,563,078,031,340,191,744/9,129,024,603.60 - Step 6: Final answer
x = 12,768,404,412.60
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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.