Finding the Fourth Proportional to 743,476,784.94, 1,115,029,763.55 and 218,741,472
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Solution
The fourth proportional to 743,476,784.94, 1,115,029,763.55 and 218,741,472 is: 328,057,656.60
Step by Step Solution
- Step 1: Write the proportion equation
743,476,784.94 : 1,115,029,763.55 = 218,741,472 : x - Step 2: Convert to fraction form
743,476,784.94/1,115,029,763.55 = 218,741,472/x - Step 3: Cross multiply
743,476,784.94x = 1,115,029,763.55 × 218,741,472 - Step 4: Simplify right side
743,476,784.94x = 243,903,251,802,738,944 - Step 5: Solve for x
x = 243,903,251,802,738,944/743,476,784.94 - Step 6: Final answer
x = 328,057,656.60
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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.