Finding the Fourth Proportional to 1,419,858,034.40, 2,129,787,051.60 and 655,446,130.40
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Solution
The fourth proportional to 1,419,858,034.40, 2,129,787,051.60 and 655,446,130.40 is: 983,169,195.60
Step by Step Solution
- Step 1: Write the proportion equation
1,419,858,034.40 : 2,129,787,051.60 = 655,446,130.40 : x - Step 2: Convert to fraction form
1,419,858,034.40/2,129,787,051.60 = 655,446,130.40/x - Step 3: Cross multiply
1,419,858,034.40x = 2,129,787,051.60 × 655,446,130.40 - Step 4: Simplify right side
1,419,858,034.40x = 1,395,960,681,547,245,056 - Step 5: Solve for x
x = 1,395,960,681,547,245,056/1,419,858,034.40 - Step 6: Final answer
x = 983,169,195.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.