Finding the Fourth Proportional to 493,057,780.40, 739,586,670.60 and 349,730,548.40
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Solution
The fourth proportional to 493,057,780.40, 739,586,670.60 and 349,730,548.40 is: 524,595,822.60
Step by Step Solution
- Step 1: Write the proportion equation
493,057,780.40 : 739,586,670.60 = 349,730,548.40 : x - Step 2: Convert to fraction form
493,057,780.40/739,586,670.60 = 349,730,548.40/x - Step 3: Cross multiply
493,057,780.40x = 739,586,670.60 × 349,730,548.40 - Step 4: Simplify right side
493,057,780.40x = 258,656,051,898,268,160 - Step 5: Solve for x
x = 258,656,051,898,268,160/493,057,780.40 - Step 6: Final answer
x = 524,595,822.60
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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.