Finding the Fourth Proportional to 427,708,518.22, 590,136,589.74 and 242,069,528.44
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Solution
The fourth proportional to 427,708,518.22, 590,136,589.74 and 242,069,528.44 is: 333,998,692.82
Step by Step Solution
- Step 1: Write the proportion equation
427,708,518.22 : 590,136,589.74 = 242,069,528.44 : x - Step 2: Convert to fraction form
427,708,518.22/590,136,589.74 = 242,069,528.44/x - Step 3: Cross multiply
427,708,518.22x = 590,136,589.74 × 242,069,528.44 - Step 4: Simplify right side
427,708,518.22x = 142,854,085,993,551,536 - Step 5: Solve for x
x = 142,854,085,993,551,536/427,708,518.22 - Step 6: Final answer
x = 333,998,692.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.