Finding the Fourth Proportional to 8,968,651,608.10, 13,452,977,412.15 and 8,519,690,251.30
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Solution
The fourth proportional to 8,968,651,608.10, 13,452,977,412.15 and 8,519,690,251.30 is: 12,779,535,376.95
Step by Step Solution
- Step 1: Write the proportion equation
8,968,651,608.10 : 13,452,977,412.15 = 8,519,690,251.30 : x - Step 2: Convert to fraction form
8,968,651,608.10/13,452,977,412.15 = 8,519,690,251.30/x - Step 3: Cross multiply
8,968,651,608.10x = 13,452,977,412.15 × 8,519,690,251.30 - Step 4: Simplify right side
8,968,651,608.10x = 114,615,200,509,253,451,776 - Step 5: Solve for x
x = 114,615,200,509,253,451,776/8,968,651,608.10 - Step 6: Final answer
x = 12,779,535,376.95
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Double scale
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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.