Finding the Fourth Proportional to 6,166,119,921.75, 8,509,251,789.62 and 3,346,728,428.76
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Solution
The fourth proportional to 6,166,119,921.75, 8,509,251,789.62 and 3,346,728,428.76 is: 4,618,488,649.78
Step by Step Solution
- Step 1: Write the proportion equation
6,166,119,921.75 : 8,509,251,789.62 = 3,346,728,428.76 : x - Step 2: Convert to fraction form
6,166,119,921.75/8,509,251,789.62 = 3,346,728,428.76/x - Step 3: Cross multiply
6,166,119,921.75x = 8,509,251,789.62 × 3,346,728,428.76 - Step 4: Simplify right side
6,166,119,921.75x = 28,478,154,871,798,161,408 - Step 5: Solve for x
x = 28,478,154,871,798,161,408/6,166,119,921.75 - Step 6: Final answer
x = 4,618,488,649.78
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1.5x scale
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.