Finding the Fourth Proportional to 1,503,613,819, 2,257,634,756.58 and 840,926,194.84
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Solution
The fourth proportional to 1,503,613,819, 2,257,634,756.58 and 840,926,194.84 is: 1,262,627,531.88
Step by Step Solution
- Step 1: Write the proportion equation
1,503,613,819 : 2,257,634,756.58 = 840,926,194.84 : x - Step 2: Convert to fraction form
1,503,613,819/2,257,634,756.58 = 840,926,194.84/x - Step 3: Cross multiply
1,503,613,819x = 2,257,634,756.58 × 840,926,194.84 - Step 4: Simplify right side
1,503,613,819x = 1,898,504,205,189,349,120 - Step 5: Solve for x
x = 1,898,504,205,189,349,120/1,503,613,819 - Step 6: Final answer
x = 1,262,627,531.88
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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.