Finding the Fourth Proportional to 756,425,454.48, 1,132,311,026.70 and 493,543,956.60
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Solution
The fourth proportional to 756,425,454.48, 1,132,311,026.70 and 493,543,956.60 is: 738,797,539.02
Step by Step Solution
- Step 1: Write the proportion equation
756,425,454.48 : 1,132,311,026.70 = 493,543,956.60 : x - Step 2: Convert to fraction form
756,425,454.48/1,132,311,026.70 = 493,543,956.60/x - Step 3: Cross multiply
756,425,454.48x = 1,132,311,026.70 × 493,543,956.60 - Step 4: Simplify right side
756,425,454.48x = 558,845,264,219,326,272 - Step 5: Solve for x
x = 558,845,264,219,326,272/756,425,454.48 - Step 6: Final answer
x = 738,797,539.02
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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.