Finding the Fourth Proportional to 493,853,857.44, 740,708,678.58 and 144,005,914.80
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Solution
The fourth proportional to 493,853,857.44, 740,708,678.58 and 144,005,914.80 is: 215,987,845.90
Step by Step Solution
- Step 1: Write the proportion equation
493,853,857.44 : 740,708,678.58 = 144,005,914.80 : x - Step 2: Convert to fraction form
493,853,857.44/740,708,678.58 = 144,005,914.80/x - Step 3: Cross multiply
493,853,857.44x = 740,708,678.58 × 144,005,914.80 - Step 4: Simplify right side
493,853,857.44x = 106,666,430,859,212,080 - Step 5: Solve for x
x = 106,666,430,859,212,080/493,853,857.44 - Step 6: Final answer
x = 215,987,845.90
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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.