Finding the Fourth Proportional to 5,355,442,408.20, 8,033,163,612.30 and 4,773,833,377.80
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Solution
The fourth proportional to 5,355,442,408.20, 8,033,163,612.30 and 4,773,833,377.80 is: 7,160,750,066.70
Step by Step Solution
- Step 1: Write the proportion equation
5,355,442,408.20 : 8,033,163,612.30 = 4,773,833,377.80 : x - Step 2: Convert to fraction form
5,355,442,408.20/8,033,163,612.30 = 4,773,833,377.80/x - Step 3: Cross multiply
5,355,442,408.20x = 8,033,163,612.30 × 4,773,833,377.80 - Step 4: Simplify right side
5,355,442,408.20x = 38,348,984,581,726,158,848 - Step 5: Solve for x
x = 38,348,984,581,726,158,848/5,355,442,408.20 - Step 6: Final answer
x = 7,160,750,066.70
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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.