Finding the Fourth Proportional to 542,439,331.49, 813,571,793.35 and 148,874,219.96
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Solution
The fourth proportional to 542,439,331.49, 813,571,793.35 and 148,874,219.96 is: 223,287,396.54
Step by Step Solution
- Step 1: Write the proportion equation
542,439,331.49 : 813,571,793.35 = 148,874,219.96 : x - Step 2: Convert to fraction form
542,439,331.49/813,571,793.35 = 148,874,219.96/x - Step 3: Cross multiply
542,439,331.49x = 813,571,793.35 × 148,874,219.96 - Step 4: Simplify right side
542,439,331.49x = 121,119,866,111,999,520 - Step 5: Solve for x
x = 121,119,866,111,999,520/542,439,331.49 - Step 6: Final answer
x = 223,287,396.54
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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.