Finding the Fourth Proportional to 6,416,742,060.48, 9,618,319,869.39 and 2,158,379,629.05
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Solution
The fourth proportional to 6,416,742,060.48, 9,618,319,869.39 and 2,158,379,629.05 is: 3,235,284,428.78
Step by Step Solution
- Step 1: Write the proportion equation
6,416,742,060.48 : 9,618,319,869.39 = 2,158,379,629.05 : x - Step 2: Convert to fraction form
6,416,742,060.48/9,618,319,869.39 = 2,158,379,629.05/x - Step 3: Cross multiply
6,416,742,060.48x = 9,618,319,869.39 × 2,158,379,629.05 - Step 4: Simplify right side
6,416,742,060.48x = 20,759,985,671,778,234,368 - Step 5: Solve for x
x = 20,759,985,671,778,234,368/6,416,742,060.48 - Step 6: Final answer
x = 3,235,284,428.78
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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.