Finding the Fourth Proportional to 1,229,678,978,070.80, 1,697,010,332,325.20 and 680,970,283,003.68
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Solution
The fourth proportional to 1,229,678,978,070.80, 1,697,010,332,325.20 and 680,970,283,003.68 is: 939,768,530,544.99
Step by Step Solution
- Step 1: Write the proportion equation
1,229,678,978,070.80 : 1,697,010,332,325.20 = 680,970,283,003.68 : x - Step 2: Convert to fraction form
1,229,678,978,070.80/1,697,010,332,325.20 = 680,970,283,003.68/x - Step 3: Cross multiply
1,229,678,978,070.80x = 1,697,010,332,325.20 × 680,970,283,003.68 - Step 4: Simplify right side
1,229,678,978,070.80x = 1,155,613,606,263,660,589,613,056 - Step 5: Solve for x
x = 1,155,613,606,263,660,589,613,056/1,229,678,978,070.80 - Step 6: Final answer
x = 939,768,530,544.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.