Finding the Fourth Proportional to 824,937,229.60, 1,138,390,675.68 and 453,659,261.92
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Solution
The fourth proportional to 824,937,229.60, 1,138,390,675.68 and 453,659,261.92 is: 626,037,297.35
Step by Step Solution
- Step 1: Write the proportion equation
824,937,229.60 : 1,138,390,675.68 = 453,659,261.92 : x - Step 2: Convert to fraction form
824,937,229.60/1,138,390,675.68 = 453,659,261.92/x - Step 3: Cross multiply
824,937,229.60x = 1,138,390,675.68 × 453,659,261.92 - Step 4: Simplify right side
824,937,229.60x = 516,441,473,705,598,912 - Step 5: Solve for x
x = 516,441,473,705,598,912/824,937,229.60 - Step 6: Final answer
x = 626,037,297.35
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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.