Finding the Fourth Proportional to 6,119,373,531.30, 9,179,060,296.95 and 1,979,235,564.90
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Solution
The fourth proportional to 6,119,373,531.30, 9,179,060,296.95 and 1,979,235,564.90 is: 2,968,853,347.35
Step by Step Solution
- Step 1: Write the proportion equation
6,119,373,531.30 : 9,179,060,296.95 = 1,979,235,564.90 : x - Step 2: Convert to fraction form
6,119,373,531.30/9,179,060,296.95 = 1,979,235,564.90/x - Step 3: Cross multiply
6,119,373,531.30x = 9,179,060,296.95 × 1,979,235,564.90 - Step 4: Simplify right side
6,119,373,531.30x = 18,167,522,592,084,998,144 - Step 5: Solve for x
x = 18,167,522,592,084,998,144/6,119,373,531.30 - Step 6: Final answer
x = 2,968,853,347.35
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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.