Finding the Fourth Proportional to 8,768,822,515.20, 13,153,233,772.80 and 5,979,394,994.40
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Solution
The fourth proportional to 8,768,822,515.20, 13,153,233,772.80 and 5,979,394,994.40 is: 8,969,092,491.60
Step by Step Solution
- Step 1: Write the proportion equation
8,768,822,515.20 : 13,153,233,772.80 = 5,979,394,994.40 : x - Step 2: Convert to fraction form
8,768,822,515.20/13,153,233,772.80 = 5,979,394,994.40/x - Step 3: Cross multiply
8,768,822,515.20x = 13,153,233,772.80 × 5,979,394,994.40 - Step 4: Simplify right side
8,768,822,515.20x = 78,648,380,181,253,341,184 - Step 5: Solve for x
x = 78,648,380,181,253,341,184/8,768,822,515.20 - Step 6: Final answer
x = 8,969,092,491.60
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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.