Finding the Fourth Proportional to 6,398,749,863.70, 9,598,124,795.55 and 3,299,385,951.70
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Solution
The fourth proportional to 6,398,749,863.70, 9,598,124,795.55 and 3,299,385,951.70 is: 4,949,078,927.55
Step by Step Solution
- Step 1: Write the proportion equation
6,398,749,863.70 : 9,598,124,795.55 = 3,299,385,951.70 : x - Step 2: Convert to fraction form
6,398,749,863.70/9,598,124,795.55 = 3,299,385,951.70/x - Step 3: Cross multiply
6,398,749,863.70x = 9,598,124,795.55 × 3,299,385,951.70 - Step 4: Simplify right side
6,398,749,863.70x = 31,667,918,113,101,099,008 - Step 5: Solve for x
x = 31,667,918,113,101,099,008/6,398,749,863.70 - Step 6: Final answer
x = 4,949,078,927.55
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Double scale
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Similar ratio
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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.