Finding the Fourth Proportional to 6,318,379,873.08, 8,719,638,311.34 and 3,498,987,799.08
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Solution
The fourth proportional to 6,318,379,873.08, 8,719,638,311.34 and 3,498,987,799.08 is: 4,828,754,946.15
Step by Step Solution
- Step 1: Write the proportion equation
6,318,379,873.08 : 8,719,638,311.34 = 3,498,987,799.08 : x - Step 2: Convert to fraction form
6,318,379,873.08/8,719,638,311.34 = 3,498,987,799.08/x - Step 3: Cross multiply
6,318,379,873.08x = 8,719,638,311.34 × 3,498,987,799.08 - Step 4: Simplify right side
6,318,379,873.08x = 30,509,908,063,769,194,496 - Step 5: Solve for x
x = 30,509,908,063,769,194,496/6,318,379,873.08 - Step 6: Final answer
x = 4,828,754,946.15
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Double scale
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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.