Finding the Fourth Proportional to 12,924,511,581.28, 19,392,657,944.34 and 6,633,358,720
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Solution
The fourth proportional to 12,924,511,581.28, 19,392,657,944.34 and 6,633,358,720 is: 9,953,061,349.37
Step by Step Solution
- Step 1: Write the proportion equation
12,924,511,581.28 : 19,392,657,944.34 = 6,633,358,720 : x - Step 2: Convert to fraction form
12,924,511,581.28/19,392,657,944.34 = 6,633,358,720/x - Step 3: Cross multiply
12,924,511,581.28x = 19,392,657,944.34 × 6,633,358,720 - Step 4: Simplify right side
12,924,511,581.28x = 128,638,456,679,065,010,176 - Step 5: Solve for x
x = 128,638,456,679,065,010,176/12,924,511,581.28 - Step 6: Final answer
x = 9,953,061,349.37
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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.