Finding the Fourth Proportional to 696,515,094.54, 1,044,738,208.50 and 259,781,752.08
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Solution
The fourth proportional to 696,515,094.54, 1,044,738,208.50 and 259,781,752.08 is: 389,659,785.40
Step by Step Solution
- Step 1: Write the proportion equation
696,515,094.54 : 1,044,738,208.50 = 259,781,752.08 : x - Step 2: Convert to fraction form
696,515,094.54/1,044,738,208.50 = 259,781,752.08/x - Step 3: Cross multiply
696,515,094.54x = 1,044,738,208.50 × 259,781,752.08 - Step 4: Simplify right side
696,515,094.54x = 271,403,922,269,050,368 - Step 5: Solve for x
x = 271,403,922,269,050,368/696,515,094.54 - Step 6: Final answer
x = 389,659,785.40
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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.